SJ RC is a lifestyle Android app developed by Zheng Xiang that allows users to control their quadcopter with a wifi camera module. The app displays real-time video footage captured by the camera module and supports VGA, 720P, and 1080P resolutions.

The app also includes the ability to take photos and record videos during flight, making it perfect for capturing aerial footage. Additionally, SJ RC supports 3D function, allowing users to experience an immersive flying experience.

Overall, SJ RC is a great app for quadcopter enthusiasts who want to take their flying experience to the next level. With its easy-to-use interface and exciting features, users can enjoy flying their quadcopters while capturing stunning footage. Play it with fun!