HS GPS V1 is a free Android app developed by Zheng Xiang, which enables users to control a quadcopter with a WiFi camera module. The app displays real-time video taken by the camera module and offers support for VGA, 720P, and 1080P resolution.

In addition, HS GPS V1 offers the ability to take photos and record videos. The app also supports 3D function and GPS follow me, allowing users to capture stunning aerial footage with ease. With its user-friendly interface and comprehensive features, HS GPS V1 is an excellent choice for anyone looking to take their quadcopter experience to the next level.