MyGBA Emulator is the best of Nintendo Gameboy Advance emulator for Android phones. THIS APP DOES NOT COME WITH ROMS - You must have the right to a given ROM before you play it! - A number of public domain games/demos are available at www.pdroms.de
HOW TO PLAY: - Transfer ROMs anywhere to your internal storage/SD card - Browse to them from within the app - Default SD card directory on most devices is /mnt/sdcard - ROMs must be in .gba, optionally in .zip files
MORE INFO: MyGBA Emulator is a modified version of the Open Source project GameBoid, which is licensed by GNU GPL v3. Modifications includes add button A, button B, edit D-Pad controller. Full source available here: http://www.4shared.com/zip/6tWwcZAOba/MyGBA.html
For base source code licensed by GPLv3, visit http://sourceforge.net/projects/gameboid/ For the license, visit http://www.gnu.org/licenses/gpl-3.0.html