Undisputed Champ

iOS

Uncivil War

iOS

Underhand

iOS + Android

Ubisoft Monkey King Escape

iOS + Android

Ultraman Galaxy

iOS + Android

Usagi Yojimbo: Way of the Ronin

iOS + Android

Uber Racer 3D - Sandstorm

iOS

UFC Undisputed 2010

iOS

Uno HD

Android + PlayStation Phone (Xperia Play) + iPad ...

Unify

iPhone

Undead Attack! Pinball

iPhone

Uno (Smartphone)

Android + iPhone

Ultranium 4

iPhone