diff --git a/app/src/main/res/layout-land/activity_daily_sudoku.xml b/app/src/main/res/layout-land/activity_daily_sudoku.xml
index 41d1d41..bfd640c 100644
--- a/app/src/main/res/layout-land/activity_daily_sudoku.xml
+++ b/app/src/main/res/layout-land/activity_daily_sudoku.xml
@@ -1,30 +1,63 @@
 <?xml version="1.0" encoding="utf-8"?>
 
-<androidx.constraintlayout.widget.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:id="@+id/linearLayout5"
-    android:layout_width="match_parent"
+<androidx.drawerlayout.widget.DrawerLayout android:id="@+id/drawer_layout_main"
     android:layout_height="match_parent"
+    android:layout_width="match_parent"
     android:fitsSystemWindows="true"
-    app:statusBarBackground="?attr/colorPrimary">
+    tools:openDrawer="start"
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
 
-    <LinearLayout
-        android:id="@+id/linearLayout6"
-        android:layout_width="0dp"
-        android:layout_height="0dp"
-        android:orientation="vertical"
-        app:layout_constraintBottom_toTopOf="@+id/main_content"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent">
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/linearLayout10"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:weightSum="10"
+        tools:context="org.secuso.privacyfriendlysudoku.ui.StatsActivity$PlaceholderFragment">
+
+        <androidx.viewpager.widget.ViewPager
+            android:id="@+id/main_content"
+            android:layout_width="wrap_content"
+            android:layout_height="0dp"
+            app:layout_behavior="@string/appbar_scrolling_view_behavior"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="parent"
+            tools:layout_editor_absoluteY="433dp">
+
+        </androidx.viewpager.widget.ViewPager>
+
+        <View
+            android:id="@+id/view3"
+            android:layout_width="0dp"
+            android:layout_height="2dp"
+            android:layout_centerHorizontal="true"
+            android:layout_centerVertical="true"
+            android:layout_gravity="center_vertical"
+            android:layout_marginStart="16dp"
+            android:layout_marginLeft="16dp"
+            android:layout_marginEnd="16dp"
+            android:layout_marginRight="16dp"
+            android:background="?attr/colorPrimary"
+            android:foregroundGravity="center_vertical"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/appbar" />
 
         <com.google.android.material.appbar.AppBarLayout
             android:id="@+id/appbar"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:clipChildren="false"
-            android:theme="@style/AppTheme.AppBarOverlay">
+            android:theme="@style/AppTheme.AppBarOverlay"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintVertical_bias="0.0">
 
             <androidx.appcompat.widget.Toolbar
                 android:id="@+id/toolbar"
@@ -39,280 +72,179 @@
 
         </com.google.android.material.appbar.AppBarLayout>
 
-        <androidx.constraintlayout.widget.ConstraintLayout
-            android:id="@+id/linearLayout10"
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:weightSum="10"
-            tools:context="org.secuso.privacyfriendlysudoku.ui.StatsActivity$PlaceholderFragment">
+        <com.google.android.material.floatingactionbutton.FloatingActionButton
+            android:id="@+id/floatingActionButton"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="128dp"
+            android:layout_marginBottom="8dp"
+            android:clickable="true"
+            android:onClick="onClick"
+            app:layout_constraintBottom_toTopOf="@+id/view3"
+            app:layout_constraintEnd_toEndOf="@+id/view3"
+            app:layout_constraintHorizontal_bias="1.0"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/appbar"
+            app:layout_constraintVertical_bias="1.0"
+            app:srcCompat="@android:drawable/ic_media_play" />
 
-            <com.google.android.material.floatingactionbutton.FloatingActionButton
-                android:id="@+id/floatingActionButton"
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:id="@+id/linearLayout11"
+            android:layout_width="0dp"
+            android:layout_height="0dp"
+            android:layout_marginTop="16dp"
+            android:layout_marginBottom="8dp"
+            android:weightSum="5"
+            app:layout_constraintBottom_toTopOf="@+id/view3"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/appbar">
+
+
+            <ImageView
+                android:id="@+id/statistic_image"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
+                android:layout_marginStart="16dp"
+                android:layout_marginLeft="16dp"
+                android:adjustViewBounds="true"
+                android:src="@drawable/icon_default_9x9"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintEnd_toStartOf="@id/view"
+                app:layout_constraintHorizontal_bias="0.0"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent" />
+
+
+            <TextView
+                android:id="@+id/first_diff_text"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:gravity="center|center_horizontal"
+                android:text="diffi"
+                android:textSize="22sp"
+                app:layout_constraintBottom_toTopOf="@+id/first_diff_bar"
+                app:layout_constraintEnd_toEndOf="@+id/first_diff_bar"
+                app:layout_constraintStart_toStartOf="@+id/first_diff_bar"
+                app:layout_constraintTop_toTopOf="@+id/statistic_image"
+                app:layout_constraintVertical_bias="1.0" />
+
+            <RatingBar
+                android:id="@+id/first_diff_bar"
+                style="?android:attr/ratingBarStyleSmall"
+
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+
+                android:layout_marginStart="8dp"
+                android:layout_marginLeft="8dp"
                 android:layout_marginEnd="8dp"
                 android:layout_marginRight="8dp"
-                android:layout_marginBottom="8dp"
-                android:clickable="true"
-                android:onClick="onClick"
-                app:layout_constraintBottom_toTopOf="@+id/linearLayout12"
-                app:layout_constraintEnd_toEndOf="parent"
-                app:layout_constraintHorizontal_bias="1.0"
-                app:layout_constraintStart_toStartOf="parent"
-                app:layout_constraintTop_toTopOf="parent"
-                app:layout_constraintVertical_bias="1.0"
-                app:srcCompat="@android:drawable/ic_media_play" />
-
-            <LinearLayout
-                android:id="@+id/linearLayout11"
-                android:layout_width="0dp"
-                android:layout_height="0dp"
-                android:layout_marginTop="16dp"
-                android:layout_marginBottom="8dp"
-                android:weightSum="5"
-                app:layout_constraintBottom_toTopOf="@+id/linearLayout12"
-                app:layout_constraintEnd_toEndOf="parent"
-                app:layout_constraintStart_toStartOf="parent"
-                app:layout_constraintTop_toTopOf="parent"
-                app:layout_constraintVertical_bias="0.0">
-
-                <androidx.constraintlayout.widget.ConstraintLayout
-                    android:id="@+id/linearLayout15"
-                    android:layout_width="0dp"
-                    android:layout_height="fill_parent"
-                    android:layout_weight="2.0"
-                    android:orientation="vertical">
-
-                    <ImageView
-                        android:id="@+id/statistic_image"
-                        android:layout_width="wrap_content"
-                        android:layout_height="wrap_content"
-                        android:layout_marginStart="8dp"
-                        android:layout_marginLeft="8dp"
-                        android:adjustViewBounds="true"
-                        android:src="@drawable/icon_default_9x9"
-                        app:layout_constraintBottom_toBottomOf="parent"
-                        app:layout_constraintEnd_toEndOf="parent"
-                        app:layout_constraintHorizontal_bias="0.0"
-                        app:layout_constraintStart_toStartOf="parent"
-                        app:layout_constraintTop_toTopOf="parent" />
-
-                    <androidx.constraintlayout.widget.ConstraintLayout
-                        android:id="@+id/relativeLayout2"
-                        android:layout_width="0dp"
-                        android:layout_height="0dp"
-                        android:layout_marginStart="8dp"
-                        android:layout_marginLeft="8dp"
-                        android:gravity="center_horizontal"
-                        app:layout_constraintBottom_toBottomOf="@+id/statistic_image"
-                        app:layout_constraintEnd_toEndOf="parent"
-                        app:layout_constraintStart_toEndOf="@+id/statistic_image"
-                        app:layout_constraintTop_toTopOf="@+id/statistic_image"
-                        app:layout_constraintVertical_bias="0.50">
-
-                        <TextView
-                            android:id="@+id/first_diff_text"
-                            android:layout_width="fill_parent"
-                            android:layout_height="wrap_content"
-                            android:gravity="center|center_horizontal"
-                            android:text="diffi"
-                            android:textSize="22sp"
-                            app:layout_constraintBottom_toBottomOf="parent"
-                            app:layout_constraintLeft_toLeftOf="parent"
-                            app:layout_constraintRight_toRightOf="parent"
-                            app:layout_constraintTop_toTopOf="parent"
-                            app:layout_constraintVertical_bias="0.33" />
-
-                        <RatingBar
-                            android:id="@+id/first_diff_bar"
-                            style="?android:attr/ratingBarStyleSmall"
-
-                            android:layout_width="wrap_content"
-                            android:layout_height="wrap_content"
-                            android:layout_gravity="center_horizontal"
-
-                            android:layout_marginStart="8dp"
-                            android:layout_marginLeft="8dp"
-                            android:layout_marginTop="8dp"
-                            android:layout_marginEnd="8dp"
-                            android:layout_marginRight="8dp"
-                            android:numStars="4"
-                            android:scaleX="1.5"
-                            android:scaleY="1.5"
-                            app:layout_constraintBottom_toBottomOf="parent"
-                            app:layout_constraintEnd_toEndOf="parent"
-                            app:layout_constraintStart_toStartOf="parent"
-                            app:layout_constraintTop_toBottomOf="@+id/first_diff_text"
-                            app:layout_constraintVertical_bias="0.0" />
-
-                    </androidx.constraintlayout.widget.ConstraintLayout>
-
-                </androidx.constraintlayout.widget.ConstraintLayout>
-
-                <RelativeLayout
-                    android:layout_width="wrap_content"
-                    android:layout_height="match_parent"
-                    android:layout_weight="1"
-                    android:minHeight="5dp">
-
-                    <View
-                        android:layout_width="1dp"
-                        android:layout_height="match_parent"
-                        android:layout_alignParentBottom="true"
-                        android:layout_centerHorizontal="true"
-                        android:layout_gravity="center_vertical"
-                        android:layout_marginTop="0dp"
-                        android:layout_marginBottom="50dp"
-                        android:background="?attr/colorPrimary"
-                        android:foregroundGravity="center_vertical" />
-
-                </RelativeLayout>
-
-                <LinearLayout
-                    android:layout_width="2dp"
-                    android:layout_height="match_parent"
-                    android:layout_weight="2"
-                    android:orientation="vertical"
-                    android:paddingTop="0dp"
-                    android:weightSum="6">
-
-                    <androidx.constraintlayout.widget.ConstraintLayout
-                        android:id="@+id/linearLayout13"
-                        android:layout_width="match_parent"
-                        android:layout_height="match_parent"
-                        android:layout_gravity="top"
-                        android:layout_marginRight="0dp"
-                        android:layout_marginBottom="10dp"
-                        android:layout_weight="1"
-                        android:orientation="vertical"
-                        android:paddingTop="0dp"
-                        android:weightSum="10">
-
-                        <TextView
-                            android:id="@+id/textView4"
-                            android:layout_width="wrap_content"
-                            android:layout_height="wrap_content"
-                            android:text="@string/daily_number_of_hints"
-                            app:layout_constraintBottom_toBottomOf="parent"
-                            app:layout_constraintEnd_toEndOf="parent"
-                            app:layout_constraintHorizontal_bias="0.0"
-                            app:layout_constraintStart_toStartOf="parent"
-                            app:layout_constraintTop_toTopOf="parent"
-                            app:layout_constraintVertical_bias="0.0" />
-
-                        <TextView
-                            android:id="@+id/numb_of_hints"
-                            android:layout_width="wrap_content"
-                            android:layout_height="wrap_content"
-                            android:text="0"
-                            app:layout_constraintBottom_toBottomOf="@+id/textView4"
-                            app:layout_constraintEnd_toEndOf="parent"
-                            app:layout_constraintStart_toEndOf="@+id/textView4"
-                            app:layout_constraintTop_toTopOf="@+id/textView4" />
-
-                        <TextView
-                            android:id="@+id/textView5"
-                            android:layout_width="wrap_content"
-                            android:layout_height="wrap_content"
-                            android:layout_marginTop="8dp"
-                            android:text="@string/number_of_completed_games"
-                            app:layout_constraintBottom_toBottomOf="parent"
-                            app:layout_constraintEnd_toEndOf="@+id/textView4"
-                            app:layout_constraintHorizontal_bias="0.0"
-                            app:layout_constraintStart_toStartOf="@+id/textView4"
-                            app:layout_constraintTop_toBottomOf="@+id/textView4"
-                            app:layout_constraintVertical_bias="0.0" />
-
-                        <TextView
-                            android:id="@+id/numb_of_total_games"
-                            android:layout_width="wrap_content"
-                            android:layout_height="wrap_content"
-                            android:text="0"
-                            app:layout_constraintBottom_toBottomOf="@+id/textView5"
-                            app:layout_constraintEnd_toEndOf="@+id/numb_of_hints"
-                            app:layout_constraintStart_toStartOf="@+id/numb_of_hints"
-                            app:layout_constraintTop_toTopOf="@+id/textView5" />
-
-                        <TextView
-                            android:id="@+id/textView6"
-                            android:layout_width="wrap_content"
-                            android:layout_height="wrap_content"
-                            android:layout_marginTop="8dp"
-                            android:text="@string/total_of_time"
-                            app:layout_constraintBottom_toBottomOf="parent"
-                            app:layout_constraintEnd_toEndOf="@+id/textView4"
-                            app:layout_constraintHorizontal_bias="0.0"
-                            app:layout_constraintStart_toStartOf="@+id/textView4"
-                            app:layout_constraintTop_toBottomOf="@+id/textView5"
-                            app:layout_constraintVertical_bias="0.0" />
-
-                        <TextView
-                            android:id="@+id/numb_of_total_time"
-                            android:layout_width="wrap_content"
-                            android:layout_height="wrap_content"
-                            android:layout_marginTop="8dp"
-                            android:text="0"
-                            app:layout_constraintBottom_toBottomOf="parent"
-                            app:layout_constraintEnd_toEndOf="@+id/textView6"
-                            app:layout_constraintHorizontal_bias="0.0"
-                            app:layout_constraintStart_toStartOf="@+id/textView4"
-                            app:layout_constraintTop_toBottomOf="@+id/textView6"
-                            app:layout_constraintVertical_bias="0.0" />
-
-                    </androidx.constraintlayout.widget.ConstraintLayout>
+                android:numStars="4"
+                android:scaleX="1.5"
+                android:scaleY="1.5"
+                app:layout_constraintBottom_toBottomOf="@+id/statistic_image"
+                app:layout_constraintEnd_toStartOf="@+id/view"
+                app:layout_constraintStart_toEndOf="@+id/statistic_image"
+                app:layout_constraintTop_toTopOf="@+id/statistic_image"
+                app:layout_constraintVertical_bias="0.50" />
 
 
-                </LinearLayout>
-            </LinearLayout>
+            <View
+                android:id="@+id/view"
+                android:layout_width="1dp"
+                android:layout_height="wrap_content"
+                android:background="?attr/colorPrimary"
+                android:foregroundGravity="center_vertical"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintLeft_toLeftOf="parent"
+                app:layout_constraintRight_toRightOf="parent"
+                app:layout_constraintTop_toTopOf="parent" />
 
-            <LinearLayout
-                android:id="@+id/linearLayout12"
+
+            <TextView
+                android:id="@+id/textView4"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
+                android:text="@string/daily_number_of_hints"
                 app:layout_constraintBottom_toBottomOf="parent"
                 app:layout_constraintEnd_toEndOf="parent"
-                app:layout_constraintStart_toStartOf="parent"
-                app:layout_constraintTop_toTopOf="parent"
-                app:layout_constraintVertical_bias="0.5">
+                app:layout_constraintHorizontal_bias="0.25"
+                app:layout_constraintStart_toStartOf="@id/view"
+                app:layout_constraintTop_toTopOf="@+id/statistic_image"
+                app:layout_constraintVertical_bias="0.0" />
 
-                <View
-                    android:layout_width="wrap_content"
-                    android:layout_height="2dp"
-                    android:layout_centerHorizontal="true"
-                    android:layout_centerVertical="true"
-                    android:layout_gravity="center_vertical"
-                    android:background="?attr/colorPrimary"
-                    android:foregroundGravity="center_vertical" />
-
-            </LinearLayout>
-
-            <ListView
-                android:id="@+id/sudoku_list"
+            <TextView
+                android:id="@+id/numb_of_hints"
                 android:layout_width="wrap_content"
-                android:layout_height="0dp"
-                app:layout_constraintBottom_toBottomOf="parent"
+                android:layout_height="wrap_content"
+                android:text="0"
+                app:layout_constraintBottom_toBottomOf="@+id/textView4"
                 app:layout_constraintEnd_toEndOf="parent"
-                app:layout_constraintStart_toStartOf="@+id/linearLayout12"
-                app:layout_constraintTop_toBottomOf="@+id/linearLayout12">
+                app:layout_constraintStart_toEndOf="@+id/textView4"
+                app:layout_constraintTop_toTopOf="@+id/textView4" />
 
-            </ListView>
+            <TextView
+                android:id="@+id/textView5"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/number_of_completed_games"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintEnd_toEndOf="@+id/textView4"
+                app:layout_constraintHorizontal_bias="0.0"
+                app:layout_constraintStart_toStartOf="@+id/textView4"
+                app:layout_constraintTop_toBottomOf="@+id/textView4"
+                app:layout_constraintVertical_bias="0.0" />
+
+            <TextView
+                android:id="@+id/numb_of_total_games"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="0"
+                app:layout_constraintBottom_toBottomOf="@+id/textView5"
+                app:layout_constraintEnd_toEndOf="@+id/numb_of_hints"
+                app:layout_constraintStart_toStartOf="@+id/numb_of_hints"
+                app:layout_constraintTop_toTopOf="@+id/textView5" />
+
+            <TextView
+                android:id="@+id/textView6"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/total_of_time"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintEnd_toEndOf="@+id/textView4"
+                app:layout_constraintHorizontal_bias="0.0"
+                app:layout_constraintStart_toStartOf="@+id/textView4"
+                app:layout_constraintTop_toBottomOf="@+id/textView5"
+                app:layout_constraintVertical_bias="0.0" />
+
+            <TextView
+                android:id="@+id/numb_of_total_time"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="0"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintEnd_toEndOf="@+id/textView6"
+                app:layout_constraintHorizontal_bias="0.0"
+                app:layout_constraintStart_toStartOf="@+id/textView4"
+                app:layout_constraintTop_toBottomOf="@+id/textView6"
+                app:layout_constraintVertical_bias="0.0" />
 
 
         </androidx.constraintlayout.widget.ConstraintLayout>
 
-    </LinearLayout>
+        <ListView
+            android:id="@+id/sudoku_list"
+            android:layout_width="wrap_content"
+            android:layout_height="0dp"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/view3">
+
+        </ListView>
 
 
-    <androidx.viewpager.widget.ViewPager
-        android:id="@+id/main_content"
-        android:layout_width="wrap_content"
-        android:layout_height="0dp"
-        app:layout_behavior="@string/appbar_scrolling_view_behavior"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintStart_toStartOf="@+id/linearLayout6"
-        app:layout_constraintTop_toBottomOf="parent" >
+    </androidx.constraintlayout.widget.ConstraintLayout>
 
-    </androidx.viewpager.widget.ViewPager>
-
-
-</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
+</androidx.drawerlayout.widget.DrawerLayout>
\ No newline at end of file