So you’ve seen SNES and NES emulators, now check out the genesis4iphone. Suprisingly enough, gameplay is smooth, but the sound still needs a bit of work. Video after the break.

Due for a public release sometime later this week, genesis4iphone not only emulates Genesis games, but Sega CD titles as well. Sound is a little iffy at the moment, but the option of landscape or portrait mode is nifty, and the games seem to run quickly despite the choppy audio

[via Kotaku]