via http://www.aep-emu.de/

Marat Fayzullin has ported his (commercial) GameBoy Advance emulator VGBA to the Android platform: VGBA for Android

Quote:
New in 3.8.20:
* Added initial support for CodeBreaker Advance (aka GameShark SP) cheats. Please, test.
* Added VGBA to the Game Launcher on Sony Xperia. Please, test.
* Added support for importing EEPROM save files from VBA.
* Fixed "Quit" option in the "Advanced" menu.
* Relaxed license check policies.
* Added Pokemon Red Rescue Team cheats to the Cheatopedia.
* Added many new Pokemon Fire Red and Leaf Green cheats to the Cheatopedia.