From Wikipedia:
Neko Entertainment is a French video game developer and publisher based out of a suburb of Paris, France. It was founded in 1999. Neko's productions are based around an evolutionary development platform for 3D consoles called the Neko Game Development Kit which allows the company to simultaneously develop games across all platforms and to rapidly port existing games.
Neko Entertainment is licensed to develop for Game Boy Advance, GameCube, Nintendo DS, PlayStation 2, PlayStation Portable, Wii, Windows, and Xbox 360.
Based in Montreuil, France.