This is a list of my favorite iPad/mobile device games. Most are free. I love the physics as well as the graphic interfaces. Let me know your favorite and why.
Naught iPad game. $3.99, Tiny Wings. Beautiful landscape mountains. World of Oil. Connect the pipeline to complete each level. Contre Jour. Connect the tails of these creatures to complete each level. Doodle Destroy is a game of physics and red, blue, grey blocks. The game was created by a 14 year old boy.