Secret voice recorder (SVR)

Secret voice recorder will allow you to record voice in the background.Press volume up button three times within two seconds to start.Press volume down button three times within two seconds to stop. Use power button (Enable it from settings).Press power button three times in two seconds to start.Press power button three times in two seconds to stop.

Features
Ability to record in locked device status.
High-quality voice recordings.
Share recording files.
Delete recording files.
Automatic upload file to google drive
Audio cutter
Password protected
Use power button to start and stop recording (Enable it to settings)
Change the app icon
Change notification icon
Runs in the background even after closing the app (go to settings and select "Run in the background")
Can convert recording files to mp3