The only games that I really play and recommend are: Tiny wings, Angry birds, and Papi Jump.
Jail break
Fragger
adoodle fly to the moon
umm there is to many lol
Search for Jelly car/RAGE/Elder Scrolls game.
Those are good.
Battlefield 2 is a good one, I also recommend Infinity Blade, it's a great game overall.
Tweeter or something is good I played it on a htc should be on ipod too try it
All of these apps are wonderful. Have you tried Space Leap?
Plants v. Zombies - really awesome for like a week or so until I beat it too many times.
Modern combat 2 bro add me if you get this shot lol
Zombieherd is pretty good,
also pictureswap.