Exploration UFO is a free Android app developed by SteveChan. This app allows you to control your 4-axis aircraft using your Android smartphone via WiFi. Not only that, but this app also provides a real-time video feed from the aircraft, and you can take photos and save videos while flying.

The app is easy to use and provides a seamless experience for controlling your aircraft. The real-time video feed is of high quality and allows you to see the view from your aircraft while flying. The ability to take photos and save videos is a great addition, as it allows you to capture your aerial adventures and share them with others.

Overall, Exploration UFO is a great app for anyone who wants to control their 4-axis aircraft using their Android smartphone. With its intuitive interface, real-time video feed, and photo and video capture capabilities, this app is a must-have for any drone enthusiast.