Angry Birds
Angry Birds was already an enormous success on iOS before it was ported to Android so there was never any doubt that this would be a hit. The Android version is polished, addictive and has been receiving constant updates making it one of the best time wasters available on the platform.
Gameplay: Fiendishly addictive.
Graphics: Very stylish and easy on the eyes.
Sound: Catchy theme song and good sound effects