The things getting more interesting because we don't have to jailbreak our iOS devices just to play Nintendo game via this emulator.
The name of the emulator is NDS4iOS which is a follow through of the Game Boy Anvance GBA4iOS emulator. In NDS4iOS you are asked to do a little tweak to Date & Time settings before installing the software. Just change the date setting into February, 8, 2014 after downloading process. Don't worry you can change the date and time after the installation process.
Well if you need it, you can learn on how to install the nds4iOS Nintendo emulator on iOS iPhone and iPad.