diff --git a/app/build.gradle b/app/build.gradle
index ff80d43..b6a153e 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -12,8 +12,8 @@ android {
         applicationId "org.mosad.seil0.projectlaogai"
         minSdkVersion 21
         targetSdkVersion 28
-        versionCode 7
-        versionName "0.2.3"
+        versionCode 8
+        versionName "0.3.0"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
     buildTypes {
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 1ee1cb7..83f046f 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -7,7 +7,7 @@
             android:allowBackup="true"
             android:icon="@mipmap/ic_laogai_icon"
             android:label="@string/app_name"
-            android:roundIcon="@mipmap/ic_laogai_icon_round"
+            android:roundIcon="@mipmap/ic_laogai_icon"
             android:supportsRtl="true"
             android:theme="@style/AppTheme">
 
diff --git a/app/src/main/java/org/mosad/seil0/projectlaogai/hsoparser/TimeTableParser.kt b/app/src/main/java/org/mosad/seil0/projectlaogai/hsoparser/TimeTableParser.kt
index 755c14e..5c8680e 100644
--- a/app/src/main/java/org/mosad/seil0/projectlaogai/hsoparser/TimeTableParser.kt
+++ b/app/src/main/java/org/mosad/seil0/projectlaogai/hsoparser/TimeTableParser.kt
@@ -70,7 +70,7 @@ class TimeTableParser {
         return courseTTLinkList
     }
 
-
+    @Suppress("unused")
     fun printTimeTableWeek (timeTableWeek: Array<Array<Lesson>>) {
 
         for (j in 0..5) print(days[j].padEnd(25 ,' ') + " | ")
diff --git a/app/src/main/res/drawable/background_splash.xml b/app/src/main/res/drawable/background_splash.xml
index 0e968ff..856328b 100644
--- a/app/src/main/res/drawable/background_splash.xml
+++ b/app/src/main/res/drawable/background_splash.xml
@@ -4,10 +4,12 @@
     <item
             android:drawable="@color/colorPrimary"/>
 
-    <item>
+    <!--TODO when minAPI is 23 use this-->
+    <!--<item android:gravity="center" android:width="144dp" android:height="144dp">-->
+    <item android:gravity="center">
         <bitmap
-                android:gravity="center"
-                android:src="@drawable/ic_laogai_icon_round"/>
+                android:gravity="fill_horizontal|fill_vertical"
+                android:src="@mipmap/ic_laogai_icon_splash"/>
     </item>
 
 </layer-list>
\ No newline at end of file
diff --git a/app/src/main/res/drawable/ic_settings_black_24dp.xml b/app/src/main/res/drawable/ic_settings_black_24dp.xml
index ace746c..0aafab0 100644
--- a/app/src/main/res/drawable/ic_settings_black_24dp.xml
+++ b/app/src/main/res/drawable/ic_settings_black_24dp.xml
@@ -1,9 +1,9 @@
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
-        android:width="24dp"
+        android:autoMirrored="true"
         android:height="24dp"
-        android:viewportWidth="24.0"
-        android:viewportHeight="24.0">
-    <path
-        android:fillColor="#FF000000"
-        android:pathData="M19.43,12.98c0.04,-0.32 0.07,-0.64 0.07,-0.98s-0.03,-0.66 -0.07,-0.98l2.11,-1.65c0.19,-0.15 0.24,-0.42 0.12,-0.64l-2,-3.46c-0.12,-0.22 -0.39,-0.3 -0.61,-0.22l-2.49,1c-0.52,-0.4 -1.08,-0.73 -1.69,-0.98l-0.38,-2.65C14.46,2.18 14.25,2 14,2h-4c-0.25,0 -0.46,0.18 -0.49,0.42l-0.38,2.65c-0.61,0.25 -1.17,0.59 -1.69,0.98l-2.49,-1c-0.23,-0.09 -0.49,0 -0.61,0.22l-2,3.46c-0.13,0.22 -0.07,0.49 0.12,0.64l2.11,1.65c-0.04,0.32 -0.07,0.65 -0.07,0.98s0.03,0.66 0.07,0.98l-2.11,1.65c-0.19,0.15 -0.24,0.42 -0.12,0.64l2,3.46c0.12,0.22 0.39,0.3 0.61,0.22l2.49,-1c0.52,0.4 1.08,0.73 1.69,0.98l0.38,2.65c0.03,0.24 0.24,0.42 0.49,0.42h4c0.25,0 0.46,-0.18 0.49,-0.42l0.38,-2.65c0.61,-0.25 1.17,-0.59 1.69,-0.98l2.49,1c0.23,0.09 0.49,0 0.61,-0.22l2,-3.46c0.12,-0.22 0.07,-0.49 -0.12,-0.64l-2.11,-1.65zM12,15.5c-1.93,0 -3.5,-1.57 -3.5,-3.5s1.57,-3.5 3.5,-3.5 3.5,1.57 3.5,3.5 -1.57,3.5 -3.5,3.5z"/>
+        android:width="24dp"
+        android:viewportHeight="24.0"
+        android:viewportWidth="24.0">
+    <path android:fillColor="#FF000000"
+          android:pathData="M19.43,12.98c0.04,-0.32 0.07,-0.64 0.07,-0.98s-0.03,-0.66 -0.07,-0.98l2.11,-1.65c0.19,-0.15 0.24,-0.42 0.12,-0.64l-2,-3.46c-0.12,-0.22 -0.39,-0.3 -0.61,-0.22l-2.49,1c-0.52,-0.4 -1.08,-0.73 -1.69,-0.98l-0.38,-2.65C14.46,2.18 14.25,2 14,2h-4c-0.25,0 -0.46,0.18 -0.49,0.42l-0.38,2.65c-0.61,0.25 -1.17,0.59 -1.69,0.98l-2.49,-1c-0.23,-0.09 -0.49,0 -0.61,0.22l-2,3.46c-0.13,0.22 -0.07,0.49 0.12,0.64l2.11,1.65c-0.04,0.32 -0.07,0.65 -0.07,0.98s0.03,0.66 0.07,0.98l-2.11,1.65c-0.19,0.15 -0.24,0.42 -0.12,0.64l2,3.46c0.12,0.22 0.39,0.3 0.61,0.22l2.49,-1c0.52,0.4 1.08,0.73 1.69,0.98l0.38,2.65c0.03,0.24 0.24,0.42 0.49,0.42h4c0.25,0 0.46,-0.18 0.49,-0.42l0.38,-2.65c0.61,-0.25 1.17,-0.59 1.69,-0.98l2.49,1c0.23,0.09 0.49,0 0.61,-0.22l2,-3.46c0.12,-0.22 0.07,-0.49 -0.12,-0.64l-2.11,-1.65zM12,15.5c-1.93,0 -3.5,-1.57 -3.5,-3.5s1.57,-3.5 3.5,-3.5 3.5,1.57 3.5,3.5 -1.57,3.5 -3.5,3.5z"/>
 </vector>
diff --git a/app/src/main/res/layout/fragment_home.xml b/app/src/main/res/layout/fragment_home.xml
index de0d212..3341c55 100644
--- a/app/src/main/res/layout/fragment_home.xml
+++ b/app/src/main/res/layout/fragment_home.xml
@@ -50,13 +50,12 @@
                 android:id="@+id/cardView2"
                 android:layout_width="0dp"
                 android:layout_height="125dp"
-                android:layout_marginStart="5dp"
-                android:layout_marginEnd="5dp"
                 app:cardUseCompatPadding="true"
                 app:layout_constraintEnd_toEndOf="parent"
                 app:layout_constraintHorizontal_bias="1.0"
                 app:layout_constraintStart_toStartOf="parent"
-                app:layout_constraintTop_toBottomOf="@+id/cardView" android:elevation="5dp">
+                app:layout_constraintTop_toBottomOf="@+id/cardView" android:elevation="5dp"
+                android:layout_marginEnd="5dp" android:layout_marginStart="5dp">
 
             <LinearLayout
                     android:orientation="vertical"
@@ -86,7 +85,8 @@
                 app:layout_constraintEnd_toEndOf="parent"
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintTop_toBottomOf="@+id/cardView2" android:id="@+id/scrollViewTimeTable"
-                android:background="@color/md_divider_dark_theme" android:paddingTop="6dp">
+                android:background="@color/md_divider_dark_theme" android:paddingTop="6dp"
+                android:layout_marginTop="5dp">
 
             <LinearLayout
                     android:id="@+id/linLayoutTimeTable"
diff --git a/app/src/main/res/layout/mensaday_cardview.xml b/app/src/main/res/layout/mensaday_cardview.xml
index 841029a..616ddd7 100644
--- a/app/src/main/res/layout/mensaday_cardview.xml
+++ b/app/src/main/res/layout/mensaday_cardview.xml
@@ -12,7 +12,7 @@
     <LinearLayout
             android:orientation="vertical"
             android:layout_width="match_parent"
-            android:layout_height="wrap_content" android:id="@+id/linLayout_MensaDay">
+            android:layout_height="wrap_content" android:id="@+id/linLayout_MensaDay" android:paddingBottom="5dp">
         <TextView
                 android:text="@string/sample_date"
                 android:layout_width="match_parent"
diff --git a/app/src/main/res/layout/nav_header_main.xml b/app/src/main/res/layout/nav_header_main.xml
index 7c96ffb..43d94ac 100644
--- a/app/src/main/res/layout/nav_header_main.xml
+++ b/app/src/main/res/layout/nav_header_main.xml
@@ -17,7 +17,7 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:paddingTop="@dimen/nav_header_vertical_spacing"
-            app:srcCompat="@mipmap/ic_laogai_icon_round"
+            app:srcCompat="@mipmap/ic_laogai_icon"
             android:contentDescription="@string/nav_header_desc"
             android:id="@+id/imageView"/>
 
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_laogai_icon_round.xml b/app/src/main/res/mipmap-anydpi-v26/ic_laogai_icon_round.xml
deleted file mode 100644
index 036d09b..0000000
--- a/app/src/main/res/mipmap-anydpi-v26/ic_laogai_icon_round.xml
+++ /dev/null
@@ -1,5 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@color/ic_launcher_background"/>
-    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
-</adaptive-icon>
\ No newline at end of file
diff --git a/app/src/main/res/mipmap-hdpi/ic_laogai_icon_round.png b/app/src/main/res/mipmap-hdpi/ic_laogai_icon_round.png
deleted file mode 100644
index 51a9b20..0000000
Binary files a/app/src/main/res/mipmap-hdpi/ic_laogai_icon_round.png and /dev/null differ
diff --git a/app/src/main/res/mipmap-mdpi/ic_laogai_icon_round.png b/app/src/main/res/mipmap-mdpi/ic_laogai_icon_round.png
deleted file mode 100644
index 146265a..0000000
Binary files a/app/src/main/res/mipmap-mdpi/ic_laogai_icon_round.png and /dev/null differ
diff --git a/app/src/main/res/drawable/ic_laogai_icon_round.png b/app/src/main/res/mipmap-mdpi/ic_laogai_icon_splash.png
similarity index 100%
rename from app/src/main/res/drawable/ic_laogai_icon_round.png
rename to app/src/main/res/mipmap-mdpi/ic_laogai_icon_splash.png
diff --git a/app/src/main/res/mipmap-xhdpi/ic_laogai_icon_round.png b/app/src/main/res/mipmap-xhdpi/ic_laogai_icon_round.png
deleted file mode 100644
index 8644cf2..0000000
Binary files a/app/src/main/res/mipmap-xhdpi/ic_laogai_icon_round.png and /dev/null differ
diff --git a/app/src/main/res/mipmap-xxhdpi/ic_laogai_icon_round.png b/app/src/main/res/mipmap-xxhdpi/ic_laogai_icon_round.png
deleted file mode 100644
index 4255977..0000000
Binary files a/app/src/main/res/mipmap-xxhdpi/ic_laogai_icon_round.png and /dev/null differ
diff --git a/app/src/main/res/mipmap-xxxhdpi/ic_laogai_icon_round.png b/app/src/main/res/mipmap-xxxhdpi/ic_laogai_icon_round.png
deleted file mode 100644
index 49ccb84..0000000
Binary files a/app/src/main/res/mipmap-xxxhdpi/ic_laogai_icon_round.png and /dev/null differ
diff --git a/app/src/main/res/values-de-rDE/strings.xml b/app/src/main/res/values-de-rDE/strings.xml
index 85992d3..aeb46d4 100644
--- a/app/src/main/res/values-de-rDE/strings.xml
+++ b/app/src/main/res/values-de-rDE/strings.xml
@@ -23,7 +23,6 @@
     <string name="select">auswählen</string>
     <string name="about">über</string>
     <string name="loading_timetable">lade Stundenplan …</string>
-    <string name="hello_blank_fragment">bald ™</string>
     <string name="navigation_drawer_close">Navigationsleiste schließen</string>
     <string name="navigation_drawer_open">Navigationsleiste öffnen</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
index 7c918f0..01b62ab 100644
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@@ -4,4 +4,5 @@
     <color name="colorPrimaryDark">#000000</color>
     <color name="colorAccent">#d81b60</color>
     <color name="colorMensaDay">#ebe8e9</color>
+    <color name="ic_launcher_background">#FFFFFF</color>
 </resources>
diff --git a/app/src/main/res/values/dimens.xml b/app/src/main/res/values/dimens.xml
index 4ab4520..a445aca 100644
--- a/app/src/main/res/values/dimens.xml
+++ b/app/src/main/res/values/dimens.xml
@@ -4,5 +4,4 @@
     <dimen name="activity_vertical_margin">16dp</dimen>
     <dimen name="nav_header_vertical_spacing">8dp</dimen>
     <dimen name="nav_header_height">176dp</dimen>
-    <dimen name="fab_margin">16dp</dimen>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/ic_launcher_background.xml b/app/src/main/res/values/ic_launcher_background.xml
deleted file mode 100644
index c5d5899..0000000
--- a/app/src/main/res/values/ic_launcher_background.xml
+++ /dev/null
@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources>
-    <color name="ic_launcher_background">#FFFFFF</color>
-</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 9afd071..940f892 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -2,7 +2,7 @@
     <string name="app_name" translatable="false">Project Laogai</string>
     <string name="navigation_drawer_open">Open navigation drawer</string>
     <string name="navigation_drawer_close">Close navigation drawer</string>
-    <string name="nav_header_title" translatable="false">hso App 0.2.3</string>
+    <string name="nav_header_title" translatable="false">hso App 0.3.0</string>
     <string name="nav_header_subtitle" translatable="false">seil0@mosad.xyz</string>
     <string name="nav_header_desc" translatable="false">Project Laogai</string>
 
@@ -36,14 +36,13 @@
     <string name="primary_color">primary color</string>
     <string name="main_color_desc">The primary color, default is indigo</string>
     <string name="select">select</string>
-    <string name="version" translatable="false">version 0.2.3</string>
+    <string name="version" translatable="false">version 0.3.0</string>
     <string name="about">about</string>
     <string name="about_txtView" translatable="false">hso App by @Seil0</string>
     <string name="about_text" translatable="false">"This software is made by @Seil0 and is published under the terms and conditions of GPL 3. For further information visit \ngit.mosad.xyz/Seil0/ProjectLaogai \n\n© 2018 seil0@mosad.xyz "</string>
     <string name="loading_timetable">loading timetable …</string>
 
 
-    <string name="hello_blank_fragment">soon ™</string>
     <string name="string_new_line" translatable="false">%1$s\n</string>
 
     <string name="save_key_course" translatable="false">org.mosad.seil0.projectlaogai.course</string>
diff --git a/app/src/main/res/xml/backup_descriptor.xml b/app/src/main/res/xml/backup_descriptor.xml
deleted file mode 100644
index 6fd6103..0000000
--- a/app/src/main/res/xml/backup_descriptor.xml
+++ /dev/null
@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<full-backup-content>
-    <!-- Exclude specific shared preferences that contain GCM registration Id -->
-</full-backup-content>