Maestro! Jump In Music is a rhythm action game for the Nintendo DS and iPhone OS. It is published by BigBen Interactive and developed by French studios and Neko Entertainment. The game was released for the Nintendo DS in Europe on November 6, 2009. The first world of the original retail title was released as a standalone app titled Maestro! Green Groove for iPhone OS on March 6, 2010 and on DSiWare on June 28, 2010.