Contixo F35 is an Android app that allows users to control a quadcopter with a WiFi camera module. The app also displays real-time video taken by the camera module. It has various features such as VGA, 720P, and 1080P resolution support, and the ability to take photos and record videos. The app also supports 3D functionality and GPS follow me feature.

The user interface is easy to use and intuitive. The home screen provides quick access to the various features of the app. The app connects seamlessly to the quadcopter and the camera module. The video feed is smooth and the app provides real-time telemetry data. The GPS follow me feature works accurately and provides a unique flying experience.

Overall, Contixo F35 is a reliable and efficient app for controlling quadcopters with WiFi camera modules. The app is easy to use and provides real-time video feed with telemetry data. The GPS follow me feature is a unique addition that sets it apart from other quadcopter control apps.