Auto Background Video Recorder is a free hidden camera app developed by Parallel Tech for Android devices. With this app, users can record unlimited videos in the background while their device is locked or another app is running. The app offers the option to record with or without a preview and supports saving the video recording on an external SD card.

One of the main features of Auto Background Video Recorder is that it can start and end recording on one touch, even while the screen is off. Additionally, the app supports recording during a phone call and offers support for both front and back cameras. The app also supports full HD video recording and allows users to configure duration, camera, and video quality.

Auto Background Video Recorder has a beautifully designed GUI and offers a "auto stop" feature when device storage is low. The app has no camera shutter sound and allows users to share or delete recording files. Overall, this app is a great option for those looking for a hidden camera app with various recording options and features.