Here's a list of the games that are available to play:
Kirby’s Dream Land
The games can be played in portrait and landscape mode, but turning your iOS device in landscape mode gives you a much better view. It works great, we haven't noticed any lags.
Visit http://www.benmidi.com/gameboy/ via your mobile browser on your iPhone, iPad or iPod touch. It will automatically start the Mario Land game, when you tap on the menu button below the controls, you can choose for the other games..
Let us know what you think about this in the comment section down below.
See also: GridSwitcher an upcoming jailbreak tweak, Official Nintendo games are coming to the App Store and how to get Tetris for free.