Provenance
Provenance is an iOS Frontend for multiple emulators, currently supporting Sega Genesis, Game Gear, Master System and SNES. It is one of the only emulators that nonjailbroken iOS users can download with the "Date Trick". The only downside is that it cannot run cheat codes for games like EarthBound.
Features: Very accurate & full speed emulation Stereo sound OpenGL based rendering, never drops below 60fps Save States Battery saves (native game saves, i.e. Sonic 3)
iOS Specific features: All current generation iOS devices supported with iOS 8 Configurable on-screen controls Position them how you like, and adjust their opacity so they don't get in your way iOS game controller support (needs more generalised implementation) "Open In..." support Download a ROM using Mobile Safari and import it into Provenance iTunes File Sharing Just drop ROMs into the app from iTunes on your Mac or PC Uses OpenVGDB to look up game info and artwork. OpenVGDB is a database maintained by the OpenEmu Team.
