John GBA Lite is GBA emulator for android 2.2+. This app does not work without your own game files.
John GBA has good compatibility, smooth game play , and quality audio
Supports load/save states, cheats, external controllers, screenshots, speed increase, and dropbox.
This version has Ads. Ads appear as pop-ups while in menu and small banners at the top of the screen while in game play.
All and all a very nice emulator. If you don't like the ads either upgrade or, if you have a rooted device, check out Adfree.
* Original GBA engine
* Cheats (Raw/GameShark/CodeBreaker)
* High quality rendering
* Search game files in SDCard & Internal Storage
* Virtual On-screen keypad
* Zipped file support
* Save States (with previews)
* Customizable keys
* Turbo buttons
* Honeycomb tablet UI
* X2 Speed play