what? the quest is a classic western rpg, nothing fps'ie in it... as rankosao said, wolfenstein rpg would be the only one that came to my mind right now. but if you are looking for something like borderlands, you will not find anything like it on the idevice, at least not that i know of...
Well, you can change the camera to first person in Ravensword, and that's a pretty good RPG. Too bad I get immense lag on my 1g...