Multiple-option reports: "Game Melody Oratorio teaches simple game melodies via a virtual piano. Featured melodies are Super Mario Bros (Nintendo), Sonic the Hedgehog (Sega), Tetris (Nintendo), Bubble Bobble (Taito) and The Legend of Zelda (Nintendo). An entry for the Neoflash Spring Coding Competition 2008.Read the readme.txt for more information.
Requires a DS (obviously) and a flash cart, such as a R4. The game will create a save file called "gmo_save.sav" on your flash cart. Works well in DeSmuME, except for saving".