Original sentence: The Nintendo DS (which is short for Dual Screen, although Nintendo has also promotionally said it to be short for Developer's System, due to the ease of development for the handheld), is a dual-screen portable handheld game console developed and manufactured by Nintendo
Edited sentence: The Nintendo DS (which is short for Dual Screen, although Nintendo has also promotionally said it to be short for Developer's System, due to the ease of development for the handheld), is an innovative dual-screen portable handheld game console developed and manufactured by Nintendo