GBA4iOS rewritten from the ground up
EasyRPG Player port for 3DS.
A modification of SNES--HD- by WoozleWrangler that can now be run on non-jailbroken iPhones, iPod...
A gameboy emulator that only plays Pokemon Blue, in ~50 lines of c++.
A Nintendo 3DS Emulator
Gamecube and Wii Emulator on iOS