Use APKPure App
Get Easy OTG Camera(Audio) old version APK for Android
camera preview and record it with compatible OTG Camera.
Easy OTG Camera is take a picture and recording application with USB OTG Camera
* This application will work with specific USB Camera devices.
If you have any question about the device, please contact skasinc@gmail.com.
this software is based in part on the work of the Independent JPEG Group
And use libusb, libuvc.