USB OTG Checker - Compatible USB/OTG/Driver it's a free tool that can quickly and effectively to free fully check and verify your phone or tablet Android device system USB OTG capabilities if it can supporting otg or usb.
If your device can support OTG, that mean your device can be used to connect to a standard USB input device such as a keyboard, external storage, and USB flash drive.

features :

- USB Checker
- OTG Checker
- Automatically start app on device connect
- Compatible USB