Jetpack Joyride 

RECOMMEND-You keep the guy in the air and try not to die. You can download it for iOS.

Temple Run

RECOMMEND-You try and keep away from the monkeys that are trying to kill you and trying to avoid all obstacles. You can download it for iOS.

Angry Birds

RECOMMEND-It is a brilliant addictive game you have to kill pigs by using different birds with different abilities. You can download it for Android & iOS.