An Ad-Free Sudoku Game

With AMOLED power-saving screens in mind, this is a lite-weight, fully blacked-out Sudoku game which doesn't consume your battery, device memory or require any permissions! It only weighs in at around 500KB compressed, the size of one selfie taken on most Android phones! Features: 400KB on Android 4. X; 630KB on Android 5. X; Expands to 1MB total once installed.