SJ F PRO is a free lifestyle app developed by Zheng Xiang for Android users. This app allows users to control their quadcopter with a WiFi camera module and displays real-time video footage taken by the camera. With this app, users can enjoy several features such as VGA, 720P, and 1080P resolution support, take photo and record video functions, 3D function support, and GPS follow me support.

The app's interface is user-friendly, and the controls are easy to understand, making it accessible to both new and experienced users. SJ F PRO's video quality is impressive, and the real-time video feed is stable even at higher altitudes. The app's GPS follow me feature allows the quadcopter to follow the user's position, making it an excellent choice for outdoor activities.

In conclusion, SJ F PRO is a reliable and efficient app for quadcopter enthusiasts. The app's features and ease of use make it a must-have for anyone who wants to control their quadcopter with a WiFi camera module.