GS Control APP, developed by DEEPCOOL Company under GAMER STORM brand, can be used to control the RGB LED light and PWM speed of the fan by connecting the Control Box with your smart phone or pad through WiFi. Main Functions:*Control the RGB LED Light of the fan: use this APP on your phone or pad to control the fans LED light, 16.8 million colors and many different color changing modes available to show you amazing effects. By the way, this APP can control one or several GS Control Boxes at the same time.