A joint venture between two of video games biggest players, Nintendo and Konami, Mobile 21 is definitely poised for success. Announced in September last year and officially opened a month later, Mobile 21's primary task is to create software with a focus on connectivity. This can be with the GBA and the cellular phones or the GBA and the Gamecube. Mobile 21 is part of an elite crowd of Nintendo second party developers that include the likes of NDCUBE, Rareware, Retro Studios, NTSC and Silicon Knights.

Click on the link to visit their website but be warned as if you have trouble reading Japanese you may encouter some comprehension problems.