The "DS" also has many new features. It has a new surround sound system. The "DS" (as well as the DS Lite) also has backwards compatibility with the Game Boy Advance (only single-player mode). However, the "DS" and DS Lite are incapable of playing the Game Boy or Game Boy Color games. The "DS" features a touch screen, a screen often used for extra gameplay (like a PDA). The "DS" packaging comes with two styluses.