The App is use for USB/OTG cameras which connected to Android Phones. It supports 1080p and 4K USB cameras live preview and video recording. Multi-Cameras connections supported.
With native video decode technologies there is no obvious delays and works well smoothly in HD video mode.
It supports Android 4.4 - Android 9. And it can be widely used for external USB cameras USB endoscopes USB otoscopes USB microscope and so on.
Your phone/tablet must support OTG mode first.