MScopes enables the users to view, take pictures and record videos for USB camera based digital microscopes, endoscopes (non medical), borescopes, digital camcorders or webcam connected to smartphone or tablets. For USB camera with type-A connector, an OTG (on-the-go) adapter is required to connect with micro USB in Android smartphones. Need NOT root device. This app requires minimum possible permissions from users Microscopy or endoscopy "on-the-go" becomes a reality with MScopes USB camera app, such portability or mobility greatly increase handiness, convenience and flexibility in observing microscopic objects or hard to reach internal parts of a crack, pipes, cavity, etc. This app can also serve as webcam viewer This free version has the following features: ✔ Zoom using volume up or down buttons ✔ Option to add date&time stamp on preview and image captured ✔ Adjustable color contrast ✔ Button to share images & videos ✔ Button to delete unwanted images and videos If you find this free USB camera app useful, please explore "MScopes Pro" which has added features such as full screen without buttons, watermark free, pinch zoom and pan, camera resolution changes, adjustable color parameters, presets, support for PNG image type, cross-hair, etc. *** Important Note *** 1. This Android USB Camera app may not work on some Android phones or tablets which do not provide full USB video class (UVC) supports 2. If you cannot see preview on screen or live views, please DO NOT upgrade to Pro or Pro2 version, it will NOT solve the blank screen problem. The problem is most likely due to hardware not supporting USB camera video. *** End of Important Note *** Note: a. This USB camera software is based in part on the work of the Independent JPEG Group. b. It also uses libusb and libuvc libraries for USB camera c. It also uses libraries with copyright (c) saki t_saki@serenegiant.com d. Not all Android smartphones or tablets support UVC camera, this app may not work on some devices.