Removed unused icons and changed android activity background

android/app/src/main/res/values/colors.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <resources>
-  <color name="activityBackground">#ffffff</color>
+  <color name="activityBackground">#be1522</color>
   <color name="navigationBarColor">#121212</color>
   <color name="colorPrimaryDark">#be1522</color>
   <color name="colorPrimary">#be1522</color>