View information about input devices such as what keys it has, source values, motion ranges, vibrate support, and more. You can also watch input events coming from the devices. Viewing some information requires different Android API levels. Only input devices that are supported by your system are shown. The full version has more features.

Lite Version Features
🐶 View detailed information about input devices
🐶 View key, touch, and motion events
🐶 Copy information to clip board

Extra Full Version Features
🐶 Test input device's vibrate function
🐶 Bookmarks
🐶 5 theme choices: Auto, Dark, Light, Black Out, and Light Amber

Full Version Link
https://play.google.com/store/apps/details?id=com.grantojanen.inputdeviceinfo

More Details
Offline: Yes
Lightweight: Yes, < 1MB
Multi-Window Support: Yes
Descriptor: Input device info viewer