USB OTG Checker is tool that can quickly and effectively to fully check and verify your Android device system USB OTG capabilities without Rooted your Android Phone or Tablet.
If your device can support USB OTG, then mean that your device can be use to connect to standard USB input device such as keyboard, external storage, and etc.

USB OTG Checker let you to check,
- Check Device OS on USB OTG: Your device operating system or custom ROM has the USB OTG API?
- Check USB OTG Signal: Your device has load with USB OTG driver or kernel to communicate to the USB OTG Connected device?
- Browse USB OTG Storage: Can you access ( View ) the USB OTG connected External Storage Folder?
also this app have the capability to clean your ram
enjoy it