Any combat card game; like MTG, yu gi oh, metal gear acid. Any elite style space trading/combat game. And although it's very unlikely, and would not really suit the interface, Deus Ex would be sweet.
I just thought of a control scheme for n+, how about touch either side of the screen to move then shake up or have an onscreen button for jumping- send that to the dev
Please only post things you think are possible on iPhone. Don't ask for a full version of Halo. @NuggestMan All these are copyrighted. So developers can't make them unless they get permission.
I don't have a mac, I use my friend's a lot. I can post a link to the website. clicky Graphics are good and gameplay is fun, simple, and balanced. For the iPhone graphics may need to be downgraded.
if you jailbrake you can run ANY scummvm games. http://www.scummvm.org/ and it runs perfectly without any flaws.