OTG? is an Android application developed by BtSsm. This free tool is designed to help users determine whether their Android phone or tablet supports USB OTG (On The Go) devices or not. The app does not require root access and is easy to use.

With OTG?, users can quickly and easily check whether their device is capable of supporting USB OTG devices. The app only checks the compatibility and does not make any changes or enable OTG. The app is useful for those who want to connect a USB device to their Android device and are unsure whether it is supported or not.

Overall, OTG? is a simple and effective tool for Android users who want to check USB OTG support on their device. It is a useful addition to the Utilities & Tools category in the Google Play Store.