Kyosho Egg is a free Android app developed by Zheng Xiang that allows users to control a quadcoptor and stream real-time video captured by the quadcoptor's wifi camera module. The app offers various resolutions, including VGA, 720P, and 1080P, to cater to different users' needs. Moreover, the app comes with a take photo and record video function, which enables users to capture memorable moments during their quadcoptor's flight.

One notable feature of Kyosho Egg is its 3D function, which provides users with a unique and immersive experience during quadcoptor flight. The app's interface is user-friendly and easy to navigate, making it accessible to users of all ages and technical backgrounds. Overall, Kyosho Egg is an excellent app for quadcoptor enthusiasts who want to capture stunning aerial footage and enjoy a thrilling flying experience.