WIST (Wireless Sync-Start Technology) is Korg's innovative technology which allows for wireless sync-start between two WIST-compatible apps on two iPads and/or iPhones located near each other. You can now sync with your friend's device to create a dynamic live performance using two compatible apps. WIST-COMPATIBLE APPS Gumdrops Hanson Interactive iPad App STORE KORG Gadget KORG INC. iPad App STORE