Premark VR is a lifestyle app developed by Zheng Xiang for Android devices. The app enables users to control a quadrotor using a wifi camera module and display real-time video captured by the module. The app offers various features, including VGA, 720P, and 1080P resolution support, take photo and record video function, and 3D function.

The app is a great way to have fun and enjoy the experience of controlling a quadrotor while capturing the aerial view in real-time. The app's easy-to-use interface and intuitive controls make it accessible for beginners and experienced users alike. With its range of features, users can capture stunning aerial footage and images with ease.

Overall, Premark VR is a must-try app for anyone interested in quadrotor control and aerial photography. The app is available for free on the Google Play Store and offers a unique and enjoyable experience for all users.