Endoscope camera to connect with endoscope camera or any device like USB camera or Borescope camera there is many devices use external cam like inspection camera sewer. Check that before using this endoscope app sewer inspection camera: 1- if your device supports USB otg technology you can use many apps I recommend it this app USB otg checker 2- if Your USB camera is UVC-compatible How does it work endoscope app? The endoscope app for android - endoscope camera open your external Borescope by USB otg and read it the endoscope app need to use micro just to record video with sounds and need to use the gallery to write and read it pictures and videos How to use this app ? Endoscope app for android open the app and enter the USB of his endoscope camera in your phone click on the camera icon click on ok now you can see the endoscope camera is working. In what you can use the endoscope camera device ? the Borescope or endoscope has many things to do like in blocked drains you can see what inside You will not need camera drain unblocker or plumbing repair anymore. it works like a sewer camera Borescope