This is an example for an implementation of https://github.com/Kaiser1989/game-gl for Windows and Android, running the game loop and rendering a red window with lena. Inputs (click, Keyboard & Touch) are logged, to give you some idea how to handle them.
Follow installation information from https://github.com/Kaiser1989/game-gl
Start Emulator or connect your phone and just run:
cargo apk run --release