Developer's DescriptionBy Novotech Industries LimitedDOWNLOAD VERSION FOR ANDROID 10 HERE: http://gto.so/echd.apk Note: Can only be used for Special USB/OTG Camera.DOWNLOAD VERSION FOR ANDROID 10 HERE: http://gto.so/echd.apkNote: Can only be used for Special USB/OTG Camera.The App is use for HD 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.