Heres another game for the GameBoy Advance that has just been released, heres the release details thanks to pdroms:

LvR by quisseh is a Game Boy Advance game for two players at the same time. Player 1 grips the left half of the GBA and controls the L button, while player 2 grips the right half and controls R.

Five levels, each with unique environments and challenges:
* catching fruit as it falls from trees
* sneaking past a sleeping bad guy without getting caught
* invading a vault to steal jewels
* fighting to stay aboard a raft
* helping librarians put away books

more here --> http://pdroms.de/gameboyadvance/lvr-gba-game