10 of the best handheld games ever

Angry Birds (iOS, Android and more)
Just got your hands on a new smartphone? Chances are this the first game you're going to download for it. It has its haters, but Angry Birds' phenomenal levels of popularity stem from its low price tag, its simplicity (you catapult birds into structures in an attempt to kill egg-stealing pigs), its well-modelled physics engine and the regularity with which extra levels are added.