KORG DS-10 is a music creation program for the Nintendo DS that emulates the Korg MS range of synthesizers. Frequently people refer to the Korg MS-10 however the MS-10 is a single oscillator monosynth. The DS-10 adds sync which the Korg MS-20 is lacking. It was released on July 24 2008 in Japan October 10 2008 in Europe and November 4 2008 in the United States. A newer DSi compatible version entitled KORG DS-10 Plus was released in Japan on September 17 2009 and in the United States on February 16 2010. It doubles the number of synth and drum machines when played on DSi/3DS system. It also adds some minor new features for the standard DS.