diff --git a/.github/workflows/android.yml b/.github/workflows/android.yml
new file mode 100644
index 00000000..7ec01475
--- /dev/null
+++ b/.github/workflows/android.yml
@@ -0,0 +1,21 @@
+name: Android CI
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: set up JDK 1.8
+      uses: actions/setup-java@v1
+      with:
+        java-version: 1.8
+    - name: Build with Gradle
+      run: ./gradlew build
diff --git a/app/src/main/ic_launcher-playstore.png b/app/src/main/ic_launcher-playstore.png
new file mode 100644
index 00000000..cf6fb2f5
Binary files /dev/null and b/app/src/main/ic_launcher-playstore.png differ
diff --git a/app/src/main/res/drawable-v24/ic_launcher_foreground.xml b/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
deleted file mode 100644
index 2b068d11..00000000
--- a/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
+++ /dev/null
@@ -1,30 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:aapt="http://schemas.android.com/aapt"
-    android:width="108dp"
-    android:height="108dp"
-    android:viewportWidth="108"
-    android:viewportHeight="108">
-    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
-        <aapt:attr name="android:fillColor">
-            <gradient
-                android:endX="85.84757"
-                android:endY="92.4963"
-                android:startX="42.9492"
-                android:startY="49.59793"
-                android:type="linear">
-                <item
-                    android:color="#44000000"
-                    android:offset="0.0" />
-                <item
-                    android:color="#00000000"
-                    android:offset="1.0" />
-            </gradient>
-        </aapt:attr>
-    </path>
-    <path
-        android:fillColor="#FFFFFF"
-        android:fillType="nonZero"
-        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
-        android:strokeWidth="1"
-        android:strokeColor="#00000000" />
-</vector>
\ No newline at end of file
diff --git a/app/src/main/res/drawable/ic_launcher_background.xml b/app/src/main/res/drawable/ic_launcher_background.xml
deleted file mode 100644
index 07d5da9c..00000000
--- a/app/src/main/res/drawable/ic_launcher_background.xml
+++ /dev/null
@@ -1,170 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="108dp"
-    android:height="108dp"
-    android:viewportWidth="108"
-    android:viewportHeight="108">
-    <path
-        android:fillColor="#3DDC84"
-        android:pathData="M0,0h108v108h-108z" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M9,0L9,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,0L19,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M29,0L29,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M39,0L39,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M49,0L49,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M59,0L59,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M69,0L69,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M79,0L79,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M89,0L89,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M99,0L99,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,9L108,9"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,19L108,19"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,29L108,29"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,39L108,39"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,49L108,49"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,59L108,59"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,69L108,69"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,79L108,79"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,89L108,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,99L108,99"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,29L89,29"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,39L89,39"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,49L89,49"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,59L89,59"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,69L89,69"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,79L89,79"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M29,19L29,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M39,19L39,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M49,19L49,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M59,19L59,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M69,19L69,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M79,19L79,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-</vector>
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
index eca70cfe..87117b1f 100644
--- a/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@drawable/ic_launcher_background" />
-    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <background android:drawable="@color/icLauncherBackground"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
 </adaptive-icon>
\ No newline at end of file
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
index eca70cfe..87117b1f 100644
--- a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@drawable/ic_launcher_background" />
-    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <background android:drawable="@color/icLauncherBackground"/>
+    <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_launcher.png b/app/src/main/res/mipmap-hdpi/ic_launcher.png
index a571e600..37aede52 100644
Binary files a/app/src/main/res/mipmap-hdpi/ic_launcher.png and b/app/src/main/res/mipmap-hdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.png b/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.png
new file mode 100644
index 00000000..4f0e6b7c
Binary files /dev/null and b/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.png differ
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_round.png b/app/src/main/res/mipmap-hdpi/ic_launcher_round.png
index 61da551c..4549e60c 100644
Binary files a/app/src/main/res/mipmap-hdpi/ic_launcher_round.png and b/app/src/main/res/mipmap-hdpi/ic_launcher_round.png differ
diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher.png b/app/src/main/res/mipmap-mdpi/ic_launcher.png
index c41dd285..d9500cd7 100644
Binary files a/app/src/main/res/mipmap-mdpi/ic_launcher.png and b/app/src/main/res/mipmap-mdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher_foreground.png b/app/src/main/res/mipmap-mdpi/ic_launcher_foreground.png
new file mode 100644
index 00000000..b04211fe
Binary files /dev/null and b/app/src/main/res/mipmap-mdpi/ic_launcher_foreground.png differ
diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher_round.png b/app/src/main/res/mipmap-mdpi/ic_launcher_round.png
index db5080a7..dd9454ba 100644
Binary files a/app/src/main/res/mipmap-mdpi/ic_launcher_round.png and b/app/src/main/res/mipmap-mdpi/ic_launcher_round.png differ
diff --git a/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/app/src/main/res/mipmap-xhdpi/ic_launcher.png
index 6dba46da..8feffae0 100644
Binary files a/app/src/main/res/mipmap-xhdpi/ic_launcher.png and b/app/src/main/res/mipmap-xhdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png b/app/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png
new file mode 100644
index 00000000..c58cb9a5
Binary files /dev/null and b/app/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png differ
diff --git a/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png b/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png
index da31a871..cfcf91dd 100644
Binary files a/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png and b/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png differ
diff --git a/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
index 15ac6817..da604902 100644
Binary files a/app/src/main/res/mipmap-xxhdpi/ic_launcher.png and b/app/src/main/res/mipmap-xxhdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png b/app/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png
new file mode 100644
index 00000000..21fd1cd6
Binary files /dev/null and b/app/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png differ
diff --git a/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png b/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
index b216f2d3..b1d28720 100644
Binary files a/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png and b/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png differ
diff --git a/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
index f25a4197..d099590e 100644
Binary files a/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png and b/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png
new file mode 100644
index 00000000..46af4ad9
Binary files /dev/null and b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png differ
diff --git a/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
index e96783cc..31a7c2d7 100644
Binary files a/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png and b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png differ
diff --git a/app/src/main/res/values-night/colors.xml b/app/src/main/res/values-night/colors.xml
index 638a775a..e58d26cd 100644
--- a/app/src/main/res/values-night/colors.xml
+++ b/app/src/main/res/values-night/colors.xml
@@ -4,4 +4,5 @@
     <color name="textColorPrimary">#FFFFFF</color>
     <color name="textColorSecondary">#FFFFFF</color>
 
+    <color name="icLauncherBackground">#455A64</color>
 </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 47684295..b36d81b0 100644
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@@ -10,4 +10,6 @@
 
     <color name="icons">#FFFFFF</color>
     <color name="divider">#BDBDBD</color>
+
+    <color name="icLauncherBackground">#FFFFFF</color>
 </resources>