BJ-UFO is an Android application that allows you to control your 4-axis aircraft using your smartphone's Wifi. With this app, you can easily get real-time video from the aircraft and take photos and videos, which can be saved directly on your phone.

The app is easy to use and has an intuitive interface that allows you to control your aircraft with precision. You can easily adjust the altitude, direction, and speed of your aircraft using the controls on your phone's screen. Additionally, the app provides a stable connection to the aircraft, ensuring that you can control it from a distance without any interruptions.

Overall, BJ-UFO is a great app for anyone who wants to control their 4-axis aircraft with their Android smartphone. It's easy to use, reliable, and provides a stable connection for a smooth flying experience.