https://github.com/BenWoodworth/Android-HID-Demo
GitHub - BenWoodworth/Android-HID-Demo: Android device as a USB keyboard/gamepad. Accompanying...
Android device as a USB keyboard/gamepad. Accompanying Linux kernel patch: https://github.com/BenWoodworth/Nexus-6P-HID-Gadget - BenWoodworth/Android-HID-Demo