RC GPS is an Android-based app developed by Zheng Xiang, available for free in the Lifestyle category. This app allows you to control a quadcopter to fly with a WiFi camera module. It also displays real-time video taken by the WiFi camera module. RC GPS supports VGA, 720P, and 1080P resolutions, and has the functionality to take photos and record videos. Moreover, it also supports 3D function.

The app's interface is user-friendly and easy to navigate. The controls are well-placed and responsive, making it easy to fly the quadcopter. The video quality is impressive, and the ability to record videos and take photos is a bonus. The 3D function adds a unique element to the app, providing an immersive experience for users. Overall, RC GPS is an excellent app for anyone interested in flying a quadcopter and capturing aerial footage.