I think there are already quite a few ports of early Bioware/Black Isle RPGs (Baldur's Gate I and II, Icewind Dale) on iOS. Also the new Shadowrun games (isome

I think there are already quite a few ports of early Bioware/Black Isle RPGs (Baldur's Gate I and II, Icewind Dale) on iOS. Also the new Shadowrun games (isometric/turn based) are worth a look.