DeltaEmulator, A Multi console Nintendo gaming emulator app, Developed by Riley Testut. This simple emulator app lets you to play old school gaming consoles like GBA4iOS, N64, Game Boy, Game Boy Color and more within your non-jailbreak iPhone, iPad device that too with rich graphics and high emulation speed. Features: iCloud sync. Save states & Cheat codes. Multi System. Controller Support. support for all iOS devices.