Vigil: Background Video & Recorder

Vigil allows you to record videos in background mode or when the phone is in a locked state.
This application is very useful for capturing videos and is the best app available in the Android market for mobile recorders.
Vigil has many features that make this application more different.
Main Features :

Record videos in the background while your device is locked or another app is running.
Record with back or front camera.
Support video orientation.
Supports preview / no preview.

Vigil is a comprehensive mobile app that allows you to record videos and voice in the background or when your phone is locked. It is a handy tool for discreetly capturing footage and audio, widely regarded as one of the best video and voice recording apps on the Android market.

Main Features:

Record videos and voice in the background while your device is locked or another app is running.
Record with the front or back camera.
Supports video orientation.
Supports preview or no preview.
Can record during phone calls.
Supports the English language (with other languages to be added in upcoming updates).
Enable/disable preview views.
An unlimited number of video and voice recordings.
Unlimited video and voice duration.
No camera shutter sound.
Supports auto white balancing.
Easy to configure the camera, audio source, and video quality.
Supports "auto stop" when device storage is low.