diff --git a/.idea/misc.xml b/.idea/misc.xml
index 57b25ae..624b66e 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -29,7 +29,7 @@
       </value>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" assert-keyword="true" jdk-15="true" project-jdk-name="1.8 (1)" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" assert-keyword="true" jdk-15="true" project-jdk-name="1.8 (2)" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">
diff --git a/app/build.gradle b/app/build.gradle
index 4cae6e5..d85c4ab 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -28,5 +28,6 @@ dependencies {
     compile 'com.android.support:appcompat-v7:25.3.1'
     compile 'com.android.support:design:25.3.1'
     compile 'com.android.support:support-v4:25.3.1'
+    compile 'com.android.support.constraint:constraint-layout:1.0.2'
     testCompile 'junit:junit:4.12'
 }
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 373078d..4c140c3 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -11,22 +11,26 @@
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
         <activity
-            android:launchMode="singleInstance"
             android:name=".MainActivity"
             android:label="@string/app_name"
-            android:windowSoftInputMode="adjustResize"
+            android:launchMode="singleInstance"
             android:screenOrientation="portrait"
-            android:theme="@style/AppTheme.NoActionBar">
+            android:theme="@style/AppTheme.NoActionBar"
+            android:windowSoftInputMode="adjustResize">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
+
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
             <intent-filter>
                 <action android:name="android.intent.action.VIEW" />
-                <data android:scheme="postgrachelor"
-                    android:host="postgrachelor" />
+
+                <data
+                    android:host="postgrachelor"
+                    android:scheme="postgrachelor" />
             </intent-filter>
         </activity>
+        <activity android:name=".HighscoreActivity"></activity>
     </application>
 
 </manifest>
\ No newline at end of file
diff --git a/app/src/main/java/de/hwr_berlin/it14/postgrachelor/HighscoreActivity.java b/app/src/main/java/de/hwr_berlin/it14/postgrachelor/HighscoreActivity.java
new file mode 100644
index 0000000..556d2ea
--- /dev/null
+++ b/app/src/main/java/de/hwr_berlin/it14/postgrachelor/HighscoreActivity.java
@@ -0,0 +1,58 @@
+package de.hwr_berlin.it14.postgrachelor;
+
+import android.content.Intent;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.widget.ListView;
+import android.widget.TextView;
+
+import de.hwr_berlin.it14.postgrachelor.Utils.Conversion;
+import de.hwr_berlin.it14.postgrachelor.Utils.HighscoreAdapter;
+
+public class HighscoreActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_highscore);
+
+        if (getActionBar() != null) {
+            getActionBar().setDisplayHomeAsUpEnabled(true);
+            getActionBar().setDisplayShowHomeEnabled(true);
+        } else if (getSupportActionBar() != null) {
+            getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+            getSupportActionBar().setDisplayShowHomeEnabled(true);
+        }
+
+        // Get the Intent that started this activity and extract the string
+        Intent intent = getIntent();
+        String categoryID = intent.getStringExtra("CategoryID");
+        String categoryName = intent.getStringExtra("CategoryName");
+        String categoryCount = intent.getStringExtra("CategoryCount");
+
+        ListView listView = (ListView) findViewById(R.id.category_listview);
+        HighscoreAdapter adapter = new HighscoreAdapter(Conversion.strToInt(categoryCount, 2), Conversion.strToInt(categoryID, -1), getApplicationContext());
+        listView.setAdapter(adapter);
+
+        setTitle(categoryName);
+
+        adapter.notifyDataSetChanged();
+    }
+
+    @Override
+    public boolean onSupportNavigateUp() {
+        onBackPressed();
+        return true;
+    }
+
+    @Override
+    public boolean onNavigateUp() {
+        onBackPressed();
+        return true;
+    }
+
+    @Override
+    public void onSaveInstanceState(Bundle savedInstanceState) {
+        super.onSaveInstanceState(savedInstanceState);
+    }
+}
diff --git a/app/src/main/java/de/hwr_berlin/it14/postgrachelor/LoginFragment.java b/app/src/main/java/de/hwr_berlin/it14/postgrachelor/LoginFragment.java
index 2cc643a..cbccace 100644
--- a/app/src/main/java/de/hwr_berlin/it14/postgrachelor/LoginFragment.java
+++ b/app/src/main/java/de/hwr_berlin/it14/postgrachelor/LoginFragment.java
@@ -1,11 +1,13 @@
 package de.hwr_berlin.it14.postgrachelor;
 
+import android.content.Context;
 import android.os.Bundle;
 import android.app.Fragment;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.view.inputmethod.InputMethodManager;
 import android.widget.Button;
 import android.widget.EditText;
 
@@ -55,6 +57,11 @@ public class LoginFragment extends Fragment {
                 } catch (NotInstantiatedException e) {
                     e.printStackTrace();
                 }
+
+                InputMethodManager mgr = (InputMethodManager) v.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
+                mgr.hideSoftInputFromWindow(v.getWindowToken(), 0);
+
+
             }
         });
 
diff --git a/app/src/main/java/de/hwr_berlin/it14/postgrachelor/MainActivity.java b/app/src/main/java/de/hwr_berlin/it14/postgrachelor/MainActivity.java
index 2cb7ec7..ef96942 100644
--- a/app/src/main/java/de/hwr_berlin/it14/postgrachelor/MainActivity.java
+++ b/app/src/main/java/de/hwr_berlin/it14/postgrachelor/MainActivity.java
@@ -3,6 +3,7 @@ package de.hwr_berlin.it14.postgrachelor;
 import android.app.FragmentManager;
 import android.app.FragmentTransaction;
 import android.os.Bundle;
+import android.support.v4.widget.SwipeRefreshLayout;
 import android.util.Log;
 import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.Toolbar;
@@ -10,6 +11,7 @@ import android.view.Menu;
 import android.view.MenuItem;
 
 import de.hwr_berlin.it14.postgrachelor.Exceptions.NotInstantiatedException;
+import de.hwr_berlin.it14.postgrachelor.Exceptions.NotLoggedInException;
 import de.hwr_berlin.it14.postgrachelor.Services.GameService;
 import de.hwr_berlin.it14.postgrachelor.Services.HighscoreService;
 import de.hwr_berlin.it14.postgrachelor.Services.LoginService;
@@ -24,6 +26,7 @@ public class MainActivity extends AppCompatActivity {
     }
 
     private static final String NAME = "MainActivity";
+    private int fragmentState = 0;
     private FragmentManager myFragmentManager;
     private MainFragment mainFragment;
     private LoginFragment loginFragment;
@@ -33,6 +36,7 @@ public class MainActivity extends AppCompatActivity {
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
+
         Log.d("Activity fragment", "create");
         setContentView(R.layout.activity_main);
         Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
@@ -45,20 +49,27 @@ public class MainActivity extends AppCompatActivity {
         questionEndFragment = QuestionEndFragment.newInstance();
         questionFragment = QuestionFragment.newInstance();
 
-        LoginService.instantiate(this);
-        HighscoreService.instantiate(this);
-        GameService.initialize(this);
+
+        if (savedInstanceState != null) {
+            this.fragmentState = savedInstanceState.getInt("selected fragment");
+        }
     }
 
     @Override
     protected void onStart() {
         super.onStart();
+
         final MainActivity that = this;
         LoginService.addLoginEventListener(NAME, new LoginService.OnLoginEventListener() {
             @Override
             public void onLoginEvent(String name, String uid) {
                 Log.d("Activity fragment", "onLogin - name: " + name + " - uid: " + uid);
                 that.selectFragment(FragmentState.MAIN);
+                try {
+                    HighscoreService.updateHighscores();
+                } catch (NotInstantiatedException | NotLoggedInException e) {
+                    e.printStackTrace();
+                }
             }
 
             @Override
@@ -75,11 +86,32 @@ public class MainActivity extends AppCompatActivity {
                     that.selectFragment(FragmentState.QUESTION);
                 else if (previous == GameService.States.ON_HOLD_RESULT && state == GameService.States.END) {
                     that.selectFragment(FragmentState.QUESTION_END);
+                    try {
+                        HighscoreService.updateHighscores();
+                    } catch (NotInstantiatedException | NotLoggedInException e) {
+                        e.printStackTrace();
+                    }
                 } else if (state == GameService.States.PAUSED || state == GameService.States.END) {
                     that.selectFragment(FragmentState.MAIN);
                 }
             }
         });
+        HighscoreService.instantiate(this);
+        LoginService.instantiate(this);
+        GameService.initialize(this);
+
+        //this.selectFragment(this.fragmentState);
+    }
+
+    @Override
+    public void onBackPressed()
+    {
+        this.selectFragment(FragmentState.MAIN);
+        try {
+            HighscoreService.updateHighscores();
+        } catch (NotInstantiatedException | NotLoggedInException e) {
+            e.printStackTrace();
+        }
     }
 
     @Override
@@ -105,6 +137,7 @@ public class MainActivity extends AppCompatActivity {
     }
 
     private void selectFragment(int item) {
+        this.fragmentState = item;
         // Handle navigation view item clicks here.
         try {
             boolean isLoggedIn = LoginService.isLoggedIn();
@@ -149,4 +182,10 @@ public class MainActivity extends AppCompatActivity {
             }
         }
     }
+
+    @Override
+    public void onSaveInstanceState(Bundle savedInstanceState) {
+        savedInstanceState.putInt("selected fragment", this.fragmentState);
+        super.onSaveInstanceState(savedInstanceState);
+    }
 }
diff --git a/app/src/main/java/de/hwr_berlin/it14/postgrachelor/MainFragment.java b/app/src/main/java/de/hwr_berlin/it14/postgrachelor/MainFragment.java
index e907ce7..a4094a5 100644
--- a/app/src/main/java/de/hwr_berlin/it14/postgrachelor/MainFragment.java
+++ b/app/src/main/java/de/hwr_berlin/it14/postgrachelor/MainFragment.java
@@ -1,8 +1,10 @@
 package de.hwr_berlin.it14.postgrachelor;
 
+import android.content.Intent;
 import android.os.Bundle;
 import android.app.Fragment;
 import android.support.v4.content.ContextCompat;
+import android.support.v4.widget.SwipeRefreshLayout;
 import android.support.v7.widget.GridLayout;
 import android.util.Log;
 import android.view.LayoutInflater;
@@ -12,6 +14,8 @@ import android.widget.ImageButton;
 import android.widget.ProgressBar;
 import android.widget.TextView;
 
+import org.json.JSONObject;
+
 import java.util.Iterator;
 import java.util.Locale;
 
@@ -22,6 +26,7 @@ import de.hwr_berlin.it14.postgrachelor.Services.HighscoreService;
 import de.hwr_berlin.it14.postgrachelor.Services.LoginService;
 import de.hwr_berlin.it14.postgrachelor.Types.Highscores;
 import de.hwr_berlin.it14.postgrachelor.Types.HighscoresCategories;
+import de.hwr_berlin.it14.postgrachelor.Utils.JsonRequestPG;
 
 /**
  * A simple {@link Fragment} subclass.
@@ -30,9 +35,11 @@ import de.hwr_berlin.it14.postgrachelor.Types.HighscoresCategories;
  */
 public class MainFragment extends Fragment {
     public static final String NAME = "MAIN_FRAGMENT";
+    private boolean listenersRegistered;
 
     public MainFragment() {
         // Required empty public constructor
+        this.listenersRegistered = false;
     }
 
     /**
@@ -42,6 +49,7 @@ public class MainFragment extends Fragment {
      * @return A new instance of fragment MainFragment.
      */
     public static MainFragment newInstance() {
+        Log.d(NAME, "newInstance");
         MainFragment fragment = new MainFragment();
         Bundle args = new Bundle();
         fragment.setArguments(args);
@@ -51,17 +59,29 @@ public class MainFragment extends Fragment {
     @Override
     public View onCreateView(final LayoutInflater inflater, final ViewGroup container,
                              Bundle savedInstanceState) {
+        Log.d(NAME, "onCreateView "+this.listenersRegistered);
         final View view = inflater.inflate(R.layout.fragment_main, container, false);
-
+        final View.OnClickListener categoryClick= new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), HighscoreActivity.class);
+                intent.putExtra("CategoryID", v.getTag(R.id.category_id).toString());
+                intent.putExtra("CategoryName", v.getTag(R.id.category_name).toString());
+                intent.putExtra("CategoryCount", v.getTag(R.id.category_count).toString());
+                startActivity(intent);
+            }
+        };
         LoginService.addLoginEventListener(NAME, new LoginService.OnLoginEventListener() {
             @Override
             public void onLoginEvent(String name, String uid) {
                 TextView textView = (TextView) view.findViewById(R.id.fragment_main_status).findViewById(R.id.fragment_user_name);
                 textView.setText(name);
-                Log.d(NAME, "onLogin");
+                Log.d(NAME, "onLogin", new Throwable());
             }
 
-            @Override public void onLogoutEvent(int status, String message) {}
+            @Override
+            public void onLogoutEvent(int status, String message) {
+            }
         });
         HighscoreService.addHighscoreUpdateEventListener(new HighscoreService.OnHighscoreUpdateEventListener() {
             @Override
@@ -78,7 +98,7 @@ public class MainFragment extends Fragment {
 
                 gridLayoutCategories.removeAllViews();
 
-                if (scores==null) {
+                if (scores == null) {
                     userStatusTextViewScore.setText("0");
                     userStatusProgressBar.setMax(1);
                     userStatusProgressBar.setProgress(0);
@@ -98,9 +118,14 @@ public class MainFragment extends Fragment {
                     ProgressBar catProgress;
                     TextView textView;
 
-                    while(iterator.hasNext()) {
+                    while (iterator.hasNext()) {
                         HighscoresCategories category = iterator.next();
                         categoryView = inflater.inflate(R.layout.fragment_main_category, gridLayoutCategories, false);
+                        categoryView.setTag(R.id.category_id, category.getId());
+                        categoryView.setTag(R.id.category_name, category.getName());
+                        // TODO automated count
+                        categoryView.setTag(R.id.category_count, scores.getAll());
+                        categoryView.setOnClickListener(categoryClick);
 
                         textView = (TextView) categoryView.findViewById(R.id.textViewCategory);
                         textView.setText(category.getName());
@@ -108,8 +133,10 @@ public class MainFragment extends Fragment {
                         textView.setText(String.format(Locale.getDefault(), "%1$d", category.getScore()));
 
                         catProgress = (ProgressBar) categoryView.findViewById(R.id.progressBarCategory);
-                        catProgress.setProgress(scores.getAll()-category.getPlace()+1);
+                        Log.d(NAME, "all: " + scores.getAll() + " - place: " + category.getPlace() + " - prog: " + (scores.getAll() - category.getPlace() + 1));
+                        catProgress.setProgress(0);
                         catProgress.setMax(scores.getAll());
+                        catProgress.setProgress(scores.getAll() - category.getPlace() + 1);
 
                         gridLayoutCategories.addView(categoryView);
                         param = new GridLayout.LayoutParams(GridLayout.spec(GridLayout.UNDEFINED, 1f), GridLayout.spec(GridLayout.UNDEFINED, 1f));
@@ -119,7 +146,11 @@ public class MainFragment extends Fragment {
 
                     userStatusTextViewScore.setText(String.format(Locale.getDefault(), "%1$d", scores.getScore()));
                     userStatusProgressBar.setMax(scores.getAll());
-                    userStatusProgressBar.setProgress(scores.getAll()-scores.getPlace()+1);
+                    userStatusProgressBar.setProgress(scores.getAll() - scores.getPlace() + 1);
+                    userStatusProgressBar.setTag(R.id.category_id, -1);
+                    userStatusProgressBar.setTag(R.id.category_name, view.getResources().getString(R.string.app_name));
+                    userStatusProgressBar.setTag(R.id.category_count, scores.getAll());
+                    userStatusProgressBar.setOnClickListener(categoryClick);
                 }
             }
         });
@@ -142,6 +173,7 @@ public class MainFragment extends Fragment {
                 }
             }
         });
+        this.listenersRegistered = true;
         // Inflate the layout for this fragment
 
         View fragmentMainGameView = view.findViewById(R.id.fragment_main_game);
@@ -162,6 +194,46 @@ public class MainFragment extends Fragment {
             }
         });
 
+
+
+
+
+
+        // Lookup the swipe container view
+        final SwipeRefreshLayout swipeContainer = (SwipeRefreshLayout) view.findViewById(R.id.swipeContainer);
+        // Setup refresh listener which triggers new data loading
+        swipeContainer.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
+            @Override
+            public void onRefresh() {
+                try {
+                    HighscoreService.updateHighscores(new JsonRequestPG.AsyncResponse() {
+                        @Override
+                        public void processFinish(JSONObject data) {
+                            swipeContainer.setRefreshing(false);
+                        }
+
+                        @Override
+                        public void processError(int status, String message) {
+
+                        }
+                    });
+                } catch (NotInstantiatedException ignored) {
+                } catch (NotLoggedInException e) {
+                    try {
+                        LoginService.setLogout(15999, "Not logged in");
+                    } catch (NotInstantiatedException ignored) {
+                    }
+                }
+            }
+        });
+        // Configure the refreshing colors
+        swipeContainer.setColorSchemeResources(android.R.color.holo_blue_bright,
+                android.R.color.holo_green_light,
+                android.R.color.holo_orange_light,
+                android.R.color.holo_red_light);
+
+
+
         return view;
     }
 
diff --git a/app/src/main/java/de/hwr_berlin/it14/postgrachelor/QuestionFragment.java b/app/src/main/java/de/hwr_berlin/it14/postgrachelor/QuestionFragment.java
index 29d5f5c..7c40fb4 100644
--- a/app/src/main/java/de/hwr_berlin/it14/postgrachelor/QuestionFragment.java
+++ b/app/src/main/java/de/hwr_berlin/it14/postgrachelor/QuestionFragment.java
@@ -7,6 +7,9 @@ import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.view.animation.AccelerateInterpolator;
+import android.view.animation.Animation;
+import android.view.animation.AnimationUtils;
 import android.widget.Button;
 import android.widget.TextView;
 
@@ -20,6 +23,7 @@ import de.hwr_berlin.it14.postgrachelor.Types.Question;
 import de.hwr_berlin.it14.postgrachelor.Types.QuestionResult;
 import de.hwr_berlin.it14.postgrachelor.Types.Timings;
 import de.hwr_berlin.it14.postgrachelor.Utils.Conversion;
+import de.hwr_berlin.it14.postgrachelor.Utils.ReverseInterpolator;
 
 
 /**
@@ -50,7 +54,10 @@ public class QuestionFragment extends Fragment {
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
+        Log.d(NAME, "onCreateView");
         final View view = inflater.inflate(R.layout.fragment_question, container, false);
+        View layout = view.findViewById(R.id.layout_fragment_question);
+
         final TextView questionTitleView = (TextView) view.findViewById(R.id.questionTitle);
         final TextView questionCategoryView = (TextView) view.findViewById(R.id.questionCategory);
 
@@ -65,13 +72,30 @@ public class QuestionFragment extends Fragment {
                 (Button) view.findViewById(R.id.questionAnswer3)
         };
         // Inflate the layout for this fragment
-
+        layout.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                if (GameService.isNextNeeded())
+                    try {
+                        GameService.runNext();
+                    } catch (NotInstantiatedException e) {
+                        e.printStackTrace();
+                    }
+            }
+        });
 
         for (int i = 0; i < 4; i++) {
             questionAnswerViews[i].setTag(i);
             questionAnswerViews[i].setOnClickListener(new View.OnClickListener() {
                 @Override
                 public void onClick(View v) {
+                if (GameService.isNextNeeded()) {
+                    try {
+                        GameService.runNext();
+                    } catch (NotInstantiatedException e) {
+                        e.printStackTrace();
+                    }
+                } else {
                     try {
                         if (GameService.getState() != GameService.States.ON_HOLD_RESULT)
                             GameService.answer((int) v.getTag());
@@ -79,76 +103,83 @@ public class QuestionFragment extends Fragment {
                         e.printStackTrace();
                     }
                 }
+                }
             });
         }
             GameService.addResultEventListener(NAME, new GameService.OnResultEventListener() {
                 @Override
                 public void onResultEvent(QuestionResult result) {
-                    Log.d(NAME, "onResultEvent - result: " + result);
-                    if (result != null) {
-                        int colorBgClicked = ContextCompat.getColor(getActivity().getApplicationContext(), android.R.color.holo_red_dark);
-                        int colorBg = ContextCompat.getColor(getActivity().getApplicationContext(), android.R.color.holo_green_dark);
-                        int colorText = ContextCompat.getColor(getActivity().getApplicationContext(), android.R.color.black);
-                        int answerID;
+                Log.d(NAME, "onResultEvent - result: " + result);
+                if (result != null) {
+                    int colorBgClicked = ContextCompat.getColor(getActivity().getApplicationContext(), android.R.color.holo_red_dark);
+                    int colorBg = ContextCompat.getColor(getActivity().getApplicationContext(), android.R.color.holo_green_dark);
+                    int colorText = ContextCompat.getColor(getActivity().getApplicationContext(), android.R.color.black);
+                    int answerID;
 
-                        try {
-                            answerID = GameService.getAnswer();
-                        } catch (NotInstantiatedException e) {
-                            answerID = 0;
-                            e.printStackTrace();
-                        }
-                        Log.d(NAME, "onResultEvent - answerID: " + answerID);
-
-                        questionAnswerViews[answerID].setBackgroundColor(colorBgClicked);
-                        questionAnswerViews[result.getCorrectPos()].setBackgroundColor(colorBg);
-                        questionAnswerViews[result.getCorrectPos()].setTextColor(colorText);
-
-                        totalView.setText(Conversion.intToStr(result.getTotal()));
-                        scoreView.setText(Conversion.intToStr(result.getScore()));
+                    try {
+                        answerID = GameService.getAnswer();
+                    } catch (NotInstantiatedException e) {
+                        answerID = 0;
+                        e.printStackTrace();
                     }
+                    Log.d(NAME, "onResultEvent - answerID: " + answerID);
+
+                    questionAnswerViews[answerID].setBackgroundColor(colorBgClicked);
+                    questionAnswerViews[result.getCorrectPos()].setBackgroundColor(colorBg);
+                    questionAnswerViews[result.getCorrectPos()].setTextColor(colorText);
+
+                    totalView.setText(Conversion.intToStr(result.getTotal()));
+                    scoreView.setText(Conversion.intToStr(result.getScore()));
+
+                    if (result.isCorrect()) {
+                        Animation animation = AnimationUtils.loadAnimation(getActivity().getApplicationContext(), R.anim.scale_up);
+                        animation.setInterpolator(new ReverseInterpolator(new AccelerateInterpolator()));
+                        totalView.startAnimation(animation);
+                    }
+                }
                 }
             });
             GameService.addNextQuestionEventListener(NAME, new GameService.OnNextQuestionEventListener() {
                 @Override
                 public void onNextQuestionEvent(Question question) {
+                for (int i = 0; i < 4; i++) {
+                    questionAnswerViews[i].setBackgroundColor(
+                            ContextCompat.getColor(view.getContext(), R.color.colorPrimary)
+                    );
+                    questionAnswerViews[i].setTextColor(
+                            ContextCompat.getColor(view.getContext(), android.R.color.white)
+                    );
+                }
+                if (question != null) {
+                    questionTitleView.setText(question.getQuestion());
+                    questionCategoryView.setText(view.getContext().getResources().getString(R.string.category, question.getCategory()));
                     for (int i = 0; i < 4; i++) {
-                        questionAnswerViews[i].setBackgroundColor(
-                                ContextCompat.getColor(view.getContext(), R.color.colorPrimary)
-                        );
-                        questionAnswerViews[i].setTextColor(
-                                ContextCompat.getColor(view.getContext(), android.R.color.white)
-                        );
+                        questionAnswerViews[i].setText(question.getAnswers()[i]);
                     }
-                    if (question != null) {
-                        questionTitleView.setText(question.getQuestion());
-                        questionCategoryView.setText(view.getContext().getResources().getString(R.string.category, question.getCategory()));
-                        for (int i = 0; i < 4; i++) {
-                            questionAnswerViews[i].setText(question.getAnswers()[i]);
-                        }
-                    } else {
-                        questionTitleView.setText("");
-                        questionCategoryView.setText(R.string.no_question_available);
-                        for (int i = 0; i < 4; i++) {
-                            questionAnswerViews[i].setText("");
-                        }
+                } else {
+                    questionTitleView.setText("");
+                    questionCategoryView.setText(R.string.no_question_available);
+                    for (int i = 0; i < 4; i++) {
+                        questionAnswerViews[i].setText("");
                     }
                 }
+                }
             });
             GameService.addTickEventListener(NAME, new GameService.OnTickEventListener() {
                 @Override
                 public void onTickEvent(Timings timings) {
-                    if (timings != null) {
-                        timeView.setText(Conversion.millisToTime(timings.getTimeDiff()));
-                        scoreView.setText(String.format(Locale.getDefault(), "%1d", timings.getScore()));
-                    }
+                if (timings != null) {
+                    timeView.setText(Conversion.millisToTime(timings.getTimeDiff()));
+                    scoreView.setText(String.format(Locale.getDefault(), "%1d", timings.getScore()));
+                }
                 }
             });
             GameService.addGameStateChangeEventListener(NAME, new GameService.OnGameStateChangeEventListener() {
                 @Override
                 public void onGameStateChangeEvent(int previous, int state) {
-                    Log.d(NAME, Conversion.intToStr(previous, 5)+Conversion.intToStr(state,5));
-                    if (previous != GameService.States.ON_HOLD_RESULT && state == GameService.States.RUNNING)
-                        totalView.setText(R.string._0);
+                Log.d(NAME, Conversion.intToStr(previous, 5)+Conversion.intToStr(state,5));
+                if (previous != GameService.States.ON_HOLD_RESULT && state == GameService.States.RUNNING)
+                    totalView.setText(R.string._0);
                 }
             });
         return view;
diff --git a/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Services/GameService.java b/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Services/GameService.java
index 6692901..3dc7744 100644
--- a/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Services/GameService.java
+++ b/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Services/GameService.java
@@ -6,8 +6,10 @@ import android.content.SharedPreferences;
 import android.util.Log;
 
 import org.json.JSONArray;
+import org.json.JSONException;
 import org.json.JSONObject;
 
+import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Timer;
 import java.util.TimerTask;
@@ -31,12 +33,14 @@ public class GameService {
     private static final int GAME_TICK_INTERVAL = 100;
     private static final int NEXT_QUESTION_DELAY = 1250;
     private static final int QUESTION_COUNT = 10;
+    private static final String NAME = "SERVICE_GAME";
 
 
     private static long startTime;
     private static long endTime;
     private static int answer;
     private static Timer timer;
+    private static JSONObject data = null;
 
     public static final class States {
 		private States() {}
@@ -58,7 +62,7 @@ public class GameService {
     private static final HashMap<String, OnResultEventListener> resultEventListeners = new HashMap<>();
     private static final HashMap<String, OnGameEndEventListener> gameEndEventListeners = new HashMap<>();
     private static final HashMap<String, OnTickEventListener> gameTickEventListeners = new HashMap<>();
-    private static int state = States.END;
+    private static int state = States.UNINITIALIZED;
     private static Question question = null;
     private static QuestionResult result = null;
     private static GameScores scores = null;
@@ -89,6 +93,11 @@ public class GameService {
         GameService.activity = activity;
         GameService.settings = activity.getSharedPreferences(GameService.PREFS_NAME, 0);
         GameService.initialized = true;
+        try {
+            GameService.data = GameService.getNeededNext();
+        } catch (NotInstantiatedException e) {
+            e.printStackTrace();
+        }
 
         emitNextQuestionEvent();
         emitGameEndEvent();
@@ -156,8 +165,6 @@ public class GameService {
     @SuppressWarnings("SameParameterValue")
     public static void addTickEventListener(String key, OnTickEventListener onTickEventListener) {
         gameTickEventListeners.put(key, onTickEventListener);
-        if (GameService.initialized)
-            onTickEventListener.onTickEvent(GameService.getTimingsSave());
     }
 
     private static Timings getTimingsSave() {
@@ -373,6 +380,8 @@ public class GameService {
     }
 
     public static void answer(int id) throws NotInstantiatedException, NotLoggedInException, NoCurrentQuestionException {
+        if (GameService.isNextNeeded())
+            throw new IllegalStateException();
         if (!GameService.initialized)
             throw new NotInstantiatedException();
         final int state = GameService.getState();
@@ -384,10 +393,10 @@ public class GameService {
             time = end - start;
             id = GameService.getAnswer(id);
         } else if (state == States.RUNNING) {
+            GameService.setState(States.ON_HOLD_LOADING);
             long end = System.currentTimeMillis();
             long start = GameService.getStartTime();
             GameService.setEndTime(end);
-            GameService.setState(States.ON_HOLD_LOADING);
             time = end - start;
             GameService.setAnswer(id);
         } else {
@@ -412,26 +421,9 @@ public class GameService {
                         data_result.optInt("correctPos", 0),
                         data_result.optInt("total", 0)
                 );
-                GameService.setStateSave(States.ON_HOLD_RESULT);
                 GameService.setResultSave(result);
-
-                new android.os.Handler().postDelayed(new Runnable() {
-                    @Override
-                    public void run() {
-                        if (data.has("next")) {
-                            JSONObject data_next = data.optJSONObject("next");
-                            GameService.setQuestionSave(GameService.parseQuestion(data_next));
-                            GameService.setStartTimeSave(System.currentTimeMillis());
-                            GameService.setStateSave(States.RUNNING);
-                        } else {
-                            JSONObject data_end = data.optJSONObject("end");
-                            GameService.setScoresSave(GameService.parseScores(data_end));
-                            GameService.setStateSave(States.END);
-                            GameService.unsetStartTimeSave();
-                            GameService.unsetEndTimeSave();
-                        }
-                    }
-                }, GameService.NEXT_QUESTION_DELAY);
+                GameService.setNeededNextSave(data);
+                GameService.setStateSave(States.ON_HOLD_RESULT);
             }
 
             @Override
@@ -452,6 +444,7 @@ public class GameService {
         if (!GameService.initialized)
             throw new NotInstantiatedException();
 
+        GameService.setNeededNext(null);
         HashMap<String, String> params = new HashMap<>();
         String uid;
         uid = LoginService.getLoginUID();
@@ -487,6 +480,112 @@ public class GameService {
         requester.execute();
     }
 
+    private static void setNeededNext(JSONObject data) throws NotInstantiatedException {
+        GameService.data = data;
+        if (!GameService.initialized)
+            throw new NotInstantiatedException();
+        SharedPreferences.Editor editor = GameService.settings.edit();
+        if (data!=null && data.has("next")) {
+            data = data.optJSONObject("next");
+            JSONArray array = data.optJSONArray("answers");
+            editor.putString("nextCategoryName", data.optString("categoryName", ""));
+            editor.putInt("nextCategoryID", data.optInt("categoryID", 0));
+            editor.putString("nextQuestion", data.optString("question", ""));
+            editor.putString("nextAnswers0", array.optString(0, ""));
+            editor.putString("nextAnswers1", array.optString(1, ""));
+            editor.putString("nextAnswers2", array.optString(2, ""));
+            editor.putString("nextAnswers3", array.optString(3, ""));
+        } else {
+            editor.remove("nextCategoryName");
+            editor.remove("nextCategoryID");
+            editor.remove("nextQuestion");
+            editor.remove("nextAnswers0");
+            editor.remove("nextAnswers1");
+            editor.remove("nextAnswers2");
+            editor.remove("nextAnswers3");
+        }
+        if (data!=null && data.has("end")) {
+            data = data.optJSONObject("end");
+            editor.putInt("endScore", data.optInt("score", 0));
+            editor.putLong("endTime", data.optLong("time", 0));
+        } else {
+            editor.remove("endScore");
+            editor.remove("endTime");
+        }
+        editor.apply();
+    }
+
+    private static void setNeededNextSave(JSONObject data) {
+        try {
+            GameService.setNeededNext(data);
+        } catch (NotInstantiatedException e) {
+            e.printStackTrace();
+        }
+    }
+
+    private static JSONObject getNeededNext() throws NotInstantiatedException {
+        if (GameService.data == null) {
+            if (!GameService.initialized)
+                throw new NotInstantiatedException();
+            JSONObject data;
+            if (GameService.settings.contains("nextCategoryName")) {
+                data = new JSONObject();
+                try {
+                    data.put("categoryName", GameService.settings.getString("nextCategoryName", ""));
+                    data.put("categoryID", GameService.settings.getInt("nextCategoryID", 0));
+                    data.put("question", GameService.settings.getString("nextQuestion", ""));
+                    ArrayList<String> list = new ArrayList<>();
+                    list.add(GameService.settings.getString("nextAnswers0", ""));
+                    list.add(GameService.settings.getString("nextAnswers1", ""));
+                    list.add(GameService.settings.getString("nextAnswers2", ""));
+                    list.add(GameService.settings.getString("nextAnswers3", ""));
+                    data.put("answers", new JSONArray(list));
+                    data = (new JSONObject()).put("next", data);
+                } catch (JSONException e) {
+                    data = null;
+                    e.printStackTrace();
+                }
+            } else if (GameService.settings.contains("endScore")) {
+                data = new JSONObject();
+                try {
+                    data.put("score", GameService.settings.getInt("endScore", 0));
+                    data.put("time", GameService.settings.getLong("endTime", 0));
+                    data = (new JSONObject()).put("end", data);
+                } catch (JSONException e) {
+                    data = null;
+                    e.printStackTrace();
+                }
+            } else {
+                data = null;
+            }
+            GameService.data = data;
+        }
+        return GameService.data;
+    }
+
+    public static boolean isNextNeeded() {
+        return GameService.data != null;
+    }
+
+    public static void runNext() throws IllegalStateException, NotInstantiatedException {
+        JSONObject data = GameService.getNeededNext();
+        if (data == null)
+            throw new IllegalStateException();
+        if (data.has("next")) {
+            JSONObject data_next = data.optJSONObject("next");
+            GameService.setQuestionSave(GameService.parseQuestion(data_next));
+            GameService.setStartTimeSave(System.currentTimeMillis());
+            GameService.setStateSave(States.RUNNING);
+        } else {
+            JSONObject data_end = data.optJSONObject("end");
+            GameService.setScoresSave(GameService.parseScores(data_end));
+            GameService.setStateSave(States.END);
+            GameService.unsetStartTimeSave();
+            GameService.unsetEndTimeSave();
+        }
+        GameService.setNeededNext(null);
+    }
+
     private static void setQuestion(Question question) throws NotInstantiatedException {
         if (!initialized)
             throw new NotInstantiatedException();
@@ -528,8 +627,9 @@ public class GameService {
         int previous = GameService.getState();
         GameService.state = state;
         SharedPreferences.Editor editor = GameService.settings.edit();
-        if (state==States.UNINITIALIZED)
+        if (state!=States.UNINITIALIZED) {
             editor.putInt("gameState", state);
+        }
         else
             editor.remove("gameState");
         editor.apply();
diff --git a/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Services/HighscoreService.java b/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Services/HighscoreService.java
index 5b8564b..b69d58b 100644
--- a/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Services/HighscoreService.java
+++ b/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Services/HighscoreService.java
@@ -15,6 +15,8 @@ import de.hwr_berlin.it14.postgrachelor.Exceptions.NotInstantiatedException;
 import de.hwr_berlin.it14.postgrachelor.Exceptions.NotLoggedInException;
 import de.hwr_berlin.it14.postgrachelor.Types.GameScores;
 import de.hwr_berlin.it14.postgrachelor.Types.Highscores;
+import de.hwr_berlin.it14.postgrachelor.Types.HighscoresUser;
+import de.hwr_berlin.it14.postgrachelor.Utils.Conversion;
 import de.hwr_berlin.it14.postgrachelor.Utils.JsonRequestPG;
 
 /**
@@ -24,6 +26,7 @@ import de.hwr_berlin.it14.postgrachelor.Utils.JsonRequestPG;
 
 public class HighscoreService {
     private static final String NAME = "HighscoreService";
+    private static final long MIN_REFRESH_RATE = 1000;
     //private static final String PREFS_NAME = "PrefsHighscore";
     //private static SharedPreferences settings = null;
     private static Highscores latestScores = null;
@@ -31,6 +34,7 @@ public class HighscoreService {
     @SuppressLint("StaticFieldLeak")
     private static Activity activity = null;
     private static final ArrayList<OnHighscoreUpdateEventListener> highscoreUpdateEventListeners = new ArrayList<>();
+    private static long lastUpdate = 0;
 
     public interface OnHighscoreUpdateEventListener {
         void onHighscoreUpdateEvent(Highscores scores);
@@ -51,34 +55,6 @@ public class HighscoreService {
         //settings = activity.getSharedPreferences(PREFS_NAME, 0);
         HighscoreService.activity = activity;
         instantiated = true;
-        LoginService.addLoginEventListener(NAME, new LoginService.OnLoginEventListener() {
-            @Override
-            public void onLoginEvent(String name, String uid) {
-                try {
-                    HighscoreService.updateHighscores();
-                } catch (NotInstantiatedException | NotLoggedInException e) {
-                    e.printStackTrace();
-                    HighscoreService.setLatestScores(null);
-                }
-            }
-
-            @Override
-            public void onLogoutEvent(int status, String message) {
-                HighscoreService.setLatestScores(null);
-            }
-        });
-
-        GameService.addGameEndEventListener(NAME, new GameService.OnGameEndEventListener() {
-            @Override
-            public void onGameEndEvent(GameScores scores) {
-                try {
-                    HighscoreService.updateHighscores();
-                } catch (NotInstantiatedException | NotLoggedInException e) {
-                    e.printStackTrace();
-                    HighscoreService.setLatestScores(null);
-                }
-            }
-        });
     }
 
     public static boolean available() {
@@ -94,7 +70,14 @@ public class HighscoreService {
         emitHighscoreUpdateEvent();
     }
 
-    private static void updateHighscores() throws NotInstantiatedException, NotLoggedInException {
+    public static void updateHighscores() throws NotInstantiatedException, NotLoggedInException {
+        HighscoreService.updateHighscores(null);
+    }
+
+    public static void updateHighscores(final JsonRequestPG.AsyncResponse asyncResponse) throws NotInstantiatedException, NotLoggedInException {
+        //if (lastUpdate >= System.currentTimeMillis()-MIN_REFRESH_RATE)
+        //    return;
+        //lastUpdate = System.currentTimeMillis();
         if (!instantiated)
             throw new NotInstantiatedException();
 
@@ -105,9 +88,6 @@ public class HighscoreService {
         JsonRequestPG requester = new JsonRequestPG("highscores.php", params, activity, new JsonRequestPG.AsyncResponse() {
             @Override
             public void processFinish(JSONObject output) {
-                Log.d("Activity fragment", "output");
-                Log.d("Activity fragment", output.toString());
-
                 // never reached if not instantiated
                 Highscores result = new Highscores(
                         output.optInt("score", 0),
@@ -132,6 +112,10 @@ public class HighscoreService {
                     }
                 }
                 setLatestScores(result);
+
+                if (asyncResponse != null) {
+                    asyncResponse.processFinish(output);
+                }
             }
 
             @Override
@@ -144,8 +128,57 @@ public class HighscoreService {
                         e.printStackTrace();
                     }
                 }
+
+                if (asyncResponse != null) {
+                    asyncResponse.processError(status, message);
+                }
             }
         });
         requester.execute();
     }
+
+    public static ArrayList<HighscoresUser> getHighscoreDetailsSync(final int limit, int offset, int category, final JsonRequestPG.AsyncResponse asyncResponse) {
+        HashMap<String, String> params = new HashMap<>();
+        if (limit >= 0)
+            params.put("limit", Conversion.intToStr(limit));
+        if (offset >= 0)
+            params.put("offset", Conversion.intToStr(offset));
+        if (category >= 0)
+            params.put("category", Conversion.intToStr(category));
+        final ArrayList<HighscoresUser> highscoresUsers = new ArrayList<>();
+        JsonRequestPG requester = new JsonRequestPG("allhighscores.php", params, activity, new JsonRequestPG.AsyncResponse() {
+            @Override
+            public void processFinish(JSONObject output) {
+                if (output != null) {
+                    JSONArray array = output.optJSONArray("array");
+                    if (array != null) {
+                        for (int i = 0; i < array.length(); i++) {
+                            JSONObject objectItem = array.optJSONObject(i);
+                            if (objectItem != null) {
+                                highscoresUsers.add(new HighscoresUser(
+                                        objectItem.optString("name", "A Random User"),
+                                        objectItem.optInt("score"),
+                                        objectItem.optInt("place")
+                                ));
+                            } else {
+                                highscoresUsers.add(null);
+                            }
+                        }
+                    }
+                }
+                if (asyncResponse != null) {
+                    asyncResponse.processFinish(output);
+                }
+            }
+
+            @Override
+            public void processError(int status, String message) {
+                if (asyncResponse != null) {
+                    asyncResponse.processError(status, message);
+                }
+            }
+        });
+        requester.executeSync();
+        return highscoresUsers;
+    }
 }
diff --git a/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Services/LoginService.java b/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Services/LoginService.java
index 3835ff6..25c4c6a 100644
--- a/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Services/LoginService.java
+++ b/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Services/LoginService.java
@@ -40,7 +40,7 @@ public class LoginService {
                 e.printStackTrace();
             }
         } else {
-            onLoginEventListener.onLogoutEvent(-6, null);
+            //onLoginEventListener.onLogoutEvent(-6, null);
         }
     }
 
@@ -118,7 +118,7 @@ public class LoginService {
         emitLoginEvent(name, uid);
     }
 
-    static void setLogout(int status, String message) throws NotInstantiatedException {
+    public static void setLogout(int status, String message) throws NotInstantiatedException {
         if (!instantiated)
             throw new NotInstantiatedException();
         SharedPreferences.Editor editor = settings.edit();
diff --git a/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Types/HighscoresUser.java b/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Types/HighscoresUser.java
new file mode 100644
index 0000000..ad5ff9a
--- /dev/null
+++ b/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Types/HighscoresUser.java
@@ -0,0 +1,37 @@
+package de.hwr_berlin.it14.postgrachelor.Types;
+
+/**
+ * Created by Sebastian on 11.04.2017.
+ */
+
+public class HighscoresUser extends Requestable {
+    private final String name;
+    private final int score;
+    private final int place;
+
+    public HighscoresUser(String name, int score, int place) {
+        this.name = name;
+        this.score = score;
+        this.place = place;
+        this.unrequested();
+    }
+
+    public HighscoresUser() {
+        super();
+        this.name = "";
+        this.score = 0;
+        this.place = 0;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public int getScore() {
+        return score;
+    }
+
+    public int getPlace() {
+        return place;
+    }
+}
diff --git a/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Types/Requestable.java b/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Types/Requestable.java
new file mode 100644
index 0000000..c74d38e
--- /dev/null
+++ b/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Types/Requestable.java
@@ -0,0 +1,25 @@
+package de.hwr_berlin.it14.postgrachelor.Types;
+
+/**
+ * Created by Sebastian on 12.04.2017.
+ */
+
+public class Requestable {
+    private long requested;
+
+    public Requestable() {
+        this.requested();
+    }
+
+    public boolean isRequested() {
+        return this.requested != 0;
+    }
+
+    protected void unrequested() {
+        this.requested = 0;
+    }
+
+    protected void requested() {
+        this.requested = System.currentTimeMillis();
+    }
+}
diff --git a/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Utils/AsyncAdapter.java b/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Utils/AsyncAdapter.java
new file mode 100644
index 0000000..04afe89
--- /dev/null
+++ b/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Utils/AsyncAdapter.java
@@ -0,0 +1,151 @@
+package de.hwr_berlin.it14.postgrachelor.Utils;
+
+import android.os.AsyncTask;
+import android.test.suitebuilder.annotation.Suppress;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.BaseAdapter;
+
+import java.util.ArrayList;
+
+import de.hwr_berlin.it14.postgrachelor.Types.Requestable;
+
+/**
+ * Created by Sebastian on 10.04.2017.
+ */
+
+public abstract class AsyncAdapter<T extends Requestable> extends BaseAdapter {
+
+    private int count;
+    private ArrayList<Requestable> items;
+
+    private AsyncAdapter() {}
+
+    public AsyncAdapter(int count) {
+        super();
+        items = new ArrayList<>();
+        this.setCount(count);
+    }
+
+    @Override
+    public int getCount() {
+        return this.count;
+    }
+
+    @Override
+    public Integer getItem(int position) {
+        return null;
+    }
+
+    @Override
+    public long getItemId(int position) {
+        return 0;
+    }
+
+    @Override
+    public View getView(int position, View convertView, ViewGroup parent) {
+        if (convertView == null)
+            convertView = this.inflateView(position, parent);
+        convertView = this.clearView(position, convertView);
+        this.loadView(position, convertView, parent);
+        return convertView;
+    }
+
+    @SuppressWarnings("unchecked")
+    private void loadView(int position, View convertView, ViewGroup parent) {
+        if (position >= this.items.size() || this.items.get(position) == null) {
+            AsyncRequest request = new AsyncRequest(position, convertView);
+            request.execute();
+        } else if (!this.items.get(position).isRequested()) {
+            this.fillView((T) this.items.get(position), position, convertView);
+        }
+    }
+
+    abstract void fillView(T item, int position, View convertView);
+
+    abstract View inflateView(int position, ViewGroup parent);
+
+    abstract View clearView(int position, View convertView);
+
+    abstract ListSequence<T> getAsyncListSequence(int position);
+
+    private void setCount(int count) {
+        this.count = count;
+    }
+
+    protected abstract int getRequestedLength(int position);
+
+
+
+
+    class AsyncRequest extends AsyncTask<Void, Void, ListSequence<T>> {
+
+        private final int position;
+        private View convertView;
+
+        AsyncRequest(int position, View convertView) {
+            this.position = position;
+            this.convertView = convertView;
+        }
+
+        @Override
+        protected void onPreExecute() {
+            super.onPreExecute();
+            for (int i = items.size(); i < this.position; i++) {
+                items.add(null);
+            }
+            for (int i = this.position; i < this.position+getRequestedLength(this.position); i++) {
+                if (i < items.size())
+                    items.set(i, new Requestable());
+                else
+                    items.add(new Requestable());
+            }
+        }
+
+
+        @Override
+        protected ListSequence<T> doInBackground(Void... arg0) {
+            return getAsyncListSequence(position);
+        }
+
+        @Override
+        @SuppressWarnings("unchecked")
+        protected void onPostExecute(ListSequence<T> result) {
+            super.onPostExecute(result);
+            int start = result.getStart();
+            ArrayList<T> list = result.getItems();
+            for (int i = items.size(); i < start; i++) {
+                items.add(null);
+            }
+            while (list.size() > 0) {
+                if (start < items.size())
+                    items.set(start, list.remove(0));
+                else
+                    items.add(list.remove(0));
+                start++;
+            }
+            if (position < items.size())
+                fillView((T) items.get(position), position, convertView);
+            notifyDataSetChanged();
+        }
+    }
+
+    class ListSequence<T> {
+        private final int start;
+        private final ArrayList<T> items;
+
+        public ListSequence(int start, int end, ArrayList<T> items) {
+            this.start = start;
+            this.items = items;
+        }
+
+
+        public int getStart() {
+            return start;
+        }
+
+        public ArrayList<T> getItems() {
+            return items;
+        }
+    }
+}
diff --git a/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Utils/Conversion.java b/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Utils/Conversion.java
index 5a0e8e9..2823dfc 100644
--- a/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Utils/Conversion.java
+++ b/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Utils/Conversion.java
@@ -34,4 +34,12 @@ public class Conversion {
     private static String intToStr(int i, int padding, char padChar) {
         return Conversion.intToStr(i, padding).replace(' ', padChar);
     }
+
+    public static int strToInt(String string, int defValue) {
+        try{
+            return Integer.parseInt(string);
+        }catch(NumberFormatException e){
+            return defValue;
+        }
+    }
 }
diff --git a/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Utils/HighscoreAdapter.java b/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Utils/HighscoreAdapter.java
new file mode 100644
index 0000000..66af46d
--- /dev/null
+++ b/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Utils/HighscoreAdapter.java
@@ -0,0 +1,82 @@
+package de.hwr_berlin.it14.postgrachelor.Utils;
+
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import java.util.ArrayList;
+
+import de.hwr_berlin.it14.postgrachelor.R;
+import de.hwr_berlin.it14.postgrachelor.Services.HighscoreService;
+import de.hwr_berlin.it14.postgrachelor.Types.HighscoresUser;
+
+/**
+ * Created by Sebastian on 11.04.2017.
+ */
+
+public class HighscoreAdapter extends AsyncAdapter<HighscoresUser> {
+    private Context context;
+    private int category;
+
+    public HighscoreAdapter(int count, int category, Context context) {
+        super(count);
+        this.category = category;
+        this.context = context;
+    }
+
+    @Override
+    void fillView(HighscoresUser item, int position, View convertView) {
+        if (item == null) {
+            return;
+        }
+        TextView userNameView = (TextView) convertView.findViewById(R.id.tvName);
+        TextView userPlaceView = (TextView) convertView.findViewById(R.id.tvPlace);
+        TextView userScoreView = (TextView) convertView.findViewById(R.id.tvScore);
+        if (userNameView != null) {
+            userNameView.setText(item.getName());
+        }
+        if (userPlaceView != null) {
+            userPlaceView.setText(convertView.getContext().getResources().getString(R.string.place, Conversion.intToStr(item.getPlace())));
+        }
+        if (userScoreView != null) {
+            userScoreView.setText(Conversion.intToStr(item.getScore()));
+        }
+    }
+
+    @Override
+    View inflateView(int position, ViewGroup parent) {
+        LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+        return inflater.inflate(R.layout.adapter_highscore_details, parent, false);
+    }
+
+    @Override
+    View clearView(int position, View convertView) {
+        TextView userNameView = (TextView) convertView.findViewById(R.id.tvName);
+        TextView userPlaceView = (TextView) convertView.findViewById(R.id.tvPlace);
+        TextView userScoreView = (TextView) convertView.findViewById(R.id.tvScore);
+        if (userNameView != null) {
+            userNameView.setText(R.string.loading);
+        }
+        if (userPlaceView != null) {
+            userPlaceView.setText(convertView.getContext().getResources().getString(R.string.place, Conversion.intToStr(position+1)));
+        }
+        if (userScoreView != null) {
+            userScoreView.setText("");
+        }
+        return convertView;
+    }
+
+    @Override
+    ListSequence<HighscoresUser> getAsyncListSequence(int position) {
+        int limit = this.getRequestedLength(position);
+        ArrayList<HighscoresUser> items = HighscoreService.getHighscoreDetailsSync(limit, position, this.category, null);
+        return new ListSequence<>(position, position+items.size()-1, items);
+    }
+
+    @Override
+    protected int getRequestedLength(int position) {
+        return Math.min(10, getCount()-position);
+    }
+}
diff --git a/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Utils/JsonRequest.java b/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Utils/JsonRequest.java
index 9dcc983..2c2fd28 100644
--- a/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Utils/JsonRequest.java
+++ b/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Utils/JsonRequest.java
@@ -36,12 +36,18 @@ abstract class JsonRequest extends AsyncTask<Void, Void, JSONObject> {
         this.path = path;
         this.params = params;
         this.activity = activity;
-        Log.d("fragment, JSONRequest", connectionURL+path);
+        Log.d("JSONRequest create", connectionURL+path);
     }
 
     @SuppressWarnings("SameReturnValue")
     protected abstract String getConnectionURL();
 
+    public JSONObject executeSync() {
+        JSONObject result = this.doInBackground();
+        Log.d("JSONRequest excecute", result.toString());
+        return result;
+    }
+
     @Override
     protected void onPreExecute() {
         super.onPreExecute();
@@ -68,6 +74,7 @@ abstract class JsonRequest extends AsyncTask<Void, Void, JSONObject> {
         if (url == null)
             return new JSONObject();
         try {
+            Log.d("JSONRequest url", url.toString());
             urlConnection = (HttpURLConnection) url.openConnection();
         } catch (IOException e) {
             e.printStackTrace();
diff --git a/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Utils/JsonRequestPG.java b/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Utils/JsonRequestPG.java
index ad47385..28333d1 100644
--- a/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Utils/JsonRequestPG.java
+++ b/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Utils/JsonRequestPG.java
@@ -4,8 +4,11 @@ import android.app.Activity;
 import android.app.AlertDialog;
 import android.content.DialogInterface;
 
+import org.json.JSONArray;
+import org.json.JSONException;
 import org.json.JSONObject;
 
+import java.util.ArrayList;
 import java.util.HashMap;
 
 /**
@@ -15,7 +18,7 @@ import java.util.HashMap;
 
 public class JsonRequestPG extends JsonRequest {
 
-    private final AsyncResponse delegate;
+    private final ArrayList<AsyncResponse> delegates;
 
     public interface AsyncResponse {
         void processFinish(JSONObject data);
@@ -24,7 +27,53 @@ public class JsonRequestPG extends JsonRequest {
 
     public JsonRequestPG(String path, HashMap<String, String> params, Activity activity, AsyncResponse delegate) {
         super(path, params, activity);
-        this.delegate = delegate;
+        this.delegates = new ArrayList<>();
+        this.delegates.add(delegate);
+    }
+
+    private void processError(int status, String message) {
+        for (AsyncResponse delegate: delegates) {
+            delegate.processError(status, message);
+        }
+    }
+
+    private void processFinish(JSONObject data) {
+        for (AsyncResponse delegate: delegates) {
+            delegate.processFinish(data);
+        }
+    }
+
+    public JSONObject executeSync() {
+        JSONObject result = super.executeSync();
+        if (result == null) {
+            this.processError(-1, "Internal error occurred!");
+            return null;
+        }
+        JSONObject meta = result.optJSONObject("meta");
+        if (meta==null) {
+            this.processError(-2, "Invalid JSON: Meta tag not found!");
+            return null;
+        }
+        int status = meta.optInt("status", -3);
+        String message = meta.optString("message", "");
+        if (status != 0) {
+            this.processError(status, message);
+            return null;
+        }
+        JSONArray array = result.optJSONArray("data");
+        JSONObject data;
+        if (array != null) {
+            data = new JSONObject();
+            try {
+                data.put("array", array);
+            } catch (JSONException e) {
+                e.printStackTrace();
+            }
+        } else {
+            data = result.optJSONObject("data");
+        }
+        this.processFinish(data);
+        return data;
     }
 
     @Override
@@ -36,12 +85,12 @@ public class JsonRequestPG extends JsonRequest {
     protected void onPostExecute(JSONObject result) {
         super.onPostExecute(result);
         if (result == null) {
-            delegate.processError(-1, "Internal error occurred!");
+            this.processError(-1, "Internal error occurred!");
             return;
         }
         JSONObject meta = result.optJSONObject("meta");
         if (meta==null) {
-            delegate.processError(-2, "Invalid JSON: Meta tag not found!");
+            this.processError(-2, "Invalid JSON: Meta tag not found!");
             return;
         }
         int status = meta.optInt("status", -3);
@@ -57,10 +106,21 @@ public class JsonRequestPG extends JsonRequest {
                     })
                     .setIcon(android.R.drawable.ic_dialog_alert)
                     .show();
-            delegate.processError(status, message);
+            this.processError(status, message);
             return;
         }
-        JSONObject data = result.optJSONObject("data");
-        delegate.processFinish(data);
+        JSONArray array = result.optJSONArray("data");
+        JSONObject data;
+        if (array != null) {
+            data = new JSONObject();
+            try {
+                data.put("array", array);
+            } catch (JSONException e) {
+                e.printStackTrace();
+            }
+        } else {
+            data = result.optJSONObject("data");
+        }
+        this.processFinish(data);
     }
 }
diff --git a/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Utils/ReverseInterpolator.java b/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Utils/ReverseInterpolator.java
new file mode 100644
index 0000000..501fc30
--- /dev/null
+++ b/app/src/main/java/de/hwr_berlin/it14/postgrachelor/Utils/ReverseInterpolator.java
@@ -0,0 +1,35 @@
+package de.hwr_berlin.it14.postgrachelor.Utils;
+
+import android.view.animation.Interpolator;
+import android.view.animation.LinearInterpolator;
+
+/**
+ * Created by Sebastian on 08.04.2017.
+ */
+
+public class ReverseInterpolator implements Interpolator {
+    private final Interpolator delegate;
+
+    public ReverseInterpolator(Interpolator delegate){
+        this.delegate = delegate;
+    }
+
+    public ReverseInterpolator(){
+        this(new LinearInterpolator());
+    }
+
+    @Override
+    public float getInterpolation(float input) {
+        return this.delegate.getInterpolation(this.reverseInput(input));
+    }
+
+    /**
+     * Map value so 0-0.5 = 0-1 and 0.5-1 = 1-0
+     */
+    private float reverseInput(float input){
+        if(input <= 0.5)
+            return input*2;
+        else
+            return Math.abs(input-1)*2;
+    }
+}
diff --git a/app/src/main/res/anim/scale_up.xml b/app/src/main/res/anim/scale_up.xml
new file mode 100644
index 0000000..d98fa56
--- /dev/null
+++ b/app/src/main/res/anim/scale_up.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android" >
+
+    <scale
+        android:duration="500"
+        android:fromXScale="1.0"
+        android:fromYScale="1.0"
+        android:toXScale="2.0"
+        android:toYScale="2.0"
+        android:pivotX="100%"
+        android:pivotY="100%" >
+
+    </scale>
+
+</set>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_highscore.xml b/app/src/main/res/layout/activity_highscore.xml
new file mode 100644
index 0000000..3e64254
--- /dev/null
+++ b/app/src/main/res/layout/activity_highscore.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context="de.hwr_berlin.it14.postgrachelor.HighscoreActivity">
+
+
+    <ListView
+        android:id="@+id/category_listview"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        tools:listitem="@layout/adapter_highscore_details" />
+</android.support.constraint.ConstraintLayout>
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index c12c1dc..d619782 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -4,8 +4,7 @@
     android:id="@+id/drawer_layout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:fitsSystemWindows="true"
-    tools:openDrawer="start">
+    android:fitsSystemWindows="true">
 
     <include
         layout="@layout/app_bar_main"
diff --git a/app/src/main/res/layout/adapter_highscore_details.xml b/app/src/main/res/layout/adapter_highscore_details.xml
new file mode 100644
index 0000000..7c1000f
--- /dev/null
+++ b/app/src/main/res/layout/adapter_highscore_details.xml
@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:orientation="horizontal"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+    <TextView
+        android:id="@+id/tvPlace"
+        style="@style/TextAppearance.AppCompat.Body1"
+        android:textColor="@android:color/primary_text_light"
+        android:padding="20dp"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:gravity="end"
+        android:width="70sp"
+        android:maxWidth="70sp"
+        android:text="@string/_0" />
+    <TextView
+        android:id="@+id/tvName"
+        style="@style/TextAppearance.AppCompat.Body1"
+        android:textColor="@android:color/primary_text_light"
+        android:padding="20dp"
+        android:layout_marginLeft="70sp"
+        android:layout_marginStart="70sp"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/start_test" />
+    <TextView
+        android:id="@+id/tvScore"
+        style="@style/TextAppearance.AppCompat.Body1"
+        android:textColor="@android:color/primary_text_light"
+        android:padding="20dp"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentRight="true"
+        android:layout_alignParentEnd="true"
+        tools:ignore="RelativeOverlap"
+        android:text="@string/_1337" />
+</RelativeLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_main.xml b/app/src/main/res/layout/fragment_main.xml
index 044045f..e4f6f7b 100644
--- a/app/src/main/res/layout/fragment_main.xml
+++ b/app/src/main/res/layout/fragment_main.xml
@@ -1,11 +1,15 @@
 <?xml version="1.0" encoding="utf-8"?>
-<ScrollView
+<android.support.v4.widget.SwipeRefreshLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/swipeContainer"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:scrollbarStyle="outsideOverlay"
     tools:context="de.hwr_berlin.it14.postgrachelor.MainFragment">
+<ScrollView
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:scrollbarStyle="outsideOverlay">
 
     <LinearLayout
         android:layout_width="match_parent"
@@ -34,6 +38,25 @@
             grid:columnCount="2"
             grid:rowOrderPreserved="false"
             grid:useDefaultMargins="true">
+            <include layout="@layout/fragment_main_category"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                grid:layout_columnWeight="1"
+                grid:layout_gravity="fill"
+                />
+            <include layout="@layout/fragment_main_category"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                grid:layout_columnWeight="1"
+                grid:layout_gravity="fill"
+                />
+            <include layout="@layout/fragment_main_category"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                grid:layout_columnWeight="1"
+                grid:layout_gravity="fill"
+                />
         </android.support.v7.widget.GridLayout>
     </LinearLayout>
-</ScrollView>
\ No newline at end of file
+</ScrollView>
+</android.support.v4.widget.SwipeRefreshLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_main_category.xml b/app/src/main/res/layout/fragment_main_category.xml
index c114e6a..a203150 100644
--- a/app/src/main/res/layout/fragment_main_category.xml
+++ b/app/src/main/res/layout/fragment_main_category.xml
@@ -17,19 +17,13 @@
     <ProgressBar
         style="@style/Widget.AppCompat.ProgressBar.Horizontal"
         android:id="@+id/progressBarCategory"
-        android:progressDrawable="@drawable/circular_progress_drawable_red"
-        android:rotation="-90"
+        android:progressDrawable="@drawable/horizontal_progress_drawable_red"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:layout_centerInParent="true"
-        android:paddingEnd="10dp"
-        android:minHeight="100dp"
-        android:maxWidth="100dp"
         android:indeterminate="false"
         android:max="900"
         android:progress="300"
-        android:paddingRight="10dp"
-        android:paddingLeft="10dp"/>
+        android:layout_alignParentBottom="true"/>
     <TextView
         android:id="@+id/textViewScore"
         android:layout_width="wrap_content"
diff --git a/app/src/main/res/layout/fragment_question.xml b/app/src/main/res/layout/fragment_question.xml
index d84872a..e1809b1 100644
--- a/app/src/main/res/layout/fragment_question.xml
+++ b/app/src/main/res/layout/fragment_question.xml
@@ -2,6 +2,8 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:clickable="true"
+    android:id="@+id/layout_fragment_question"
     tools:context="de.hwr_berlin.it14.postgrachelor.QuestionFragment">
 
     <TextView
@@ -17,7 +19,7 @@
         android:layout_height="wrap_content"
         android:gravity="center"
         android:layout_margin="20dp"
-        android:paddingTop="20sp"
+        android:layout_alignTop="@id/questionCategory"
         android:textAppearance="@style/TextAppearance.AppCompat.Title"
         android:id="@+id/questionTitle"
         android:text="@string/welcome_text" />
@@ -27,7 +29,7 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="@string/_02_15"
-        android:layout_marginBottom="330sp"
+        android:layout_marginBottom="320sp"
         android:textAppearance="@style/TextAppearance.AppCompat.Large"
         android:layout_alignParentBottom="true"
         />
@@ -36,7 +38,7 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="@string/_1337"
-        android:layout_marginBottom="330sp"
+        android:layout_marginBottom="320sp"
         android:textAppearance="@style/TextAppearance.AppCompat.Large"
         android:layout_alignParentBottom="true"
         android:layout_centerHorizontal="true"
@@ -45,7 +47,7 @@
         android:id="@+id/questionTotal"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_marginBottom="330sp"
+        android:layout_marginBottom="320sp"
         android:textAppearance="@style/TextAppearance.AppCompat.Large"
         android:layout_alignParentBottom="true"
         android:layout_alignParentEnd="true"
diff --git a/app/src/main/res/values-de/strings.xml b/app/src/main/res/values-de/strings.xml
index 29dc17e..1163449 100644
--- a/app/src/main/res/values-de/strings.xml
+++ b/app/src/main/res/values-de/strings.xml
@@ -19,4 +19,6 @@
     <string name="no_question_available">Keine Fragen verfügbar!</string>
     <string name="play_a_game">Spiele ein Spiel!</string>
     <string name="please_wait">Bitte warten…</string>
+    <string name="loading">Lädt…</string>
+    <string name="place">%1$s.</string>
 </resources>
diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
index 3ab3e9c..8f4a31d 100644
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <color name="colorPrimary">#3F51B5</color>
-    <color name="colorPrimaryDark">#303F9F</color>
+    <!--<color name="colorPrimary">#3F51B5</color>-->
+    <color name="colorPrimary">#5262BC</color>
+    <!--<color name="colorPrimaryDark">#303F9F</color>-->
+    <color name="colorPrimaryDark">#2B388F</color>
     <color name="colorAccent">#FF4081</color>
 </resources>
diff --git a/app/src/main/res/values/ids.xml b/app/src/main/res/values/ids.xml
new file mode 100644
index 0000000..a08da6c
--- /dev/null
+++ b/app/src/main/res/values/ids.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <item name="category_name" type="id" />
+    <item name="category_id" type="id" />
+    <item name="category_count" type="id" />
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index bfb5f41..cbbc0ef 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -24,4 +24,6 @@
     <string name="_0" translatable="false">0</string>
     <string name="play_a_game">Play a Game!</string>
     <string name="please_wait">Please wait…</string>
+    <string name="loading">Loading…</string>
+    <string name="place">#%1$s</string>
 </resources>
diff --git a/build.gradle b/build.gradle
index 1ea4bd0..b78a0b8 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.3.0'
+        classpath 'com.android.tools.build:gradle:2.3.1'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files