The Nintendo DSi is a foldable dual-screen handheld game console developed and marketed by Nintendo. The console was released in Japan on November 1, 2008, and worldwide beginning in April 2009. It is the third iteration of the Nintendo DS, and its primary market rival was Sony's PlayStation Portable (PSP). The fourth iteration, titled Nintendo DSi XL, is a larger model that launched in Japan on November 21, 2009, and worldwide beginning in March 2010. Development of the DSi began in late 2006, and the handheld was unveiled during an October 2008 Nintendo conference in Tokyo. Consumer demand c, 作品: Forkarium
