sentences:  The Leapster TV, a screenless version with the same basic control layout in a console form, was released in 2005 and retired in 2007.The Leapster was the best-selling educational handheld in America and has sold about 4 million units and 12 million software cartridges since its inception, as of May 2007.It is regularly sold in nine countries directly, and in another 7 for teaching English as a second language in schools.