Rapid press the Power button and open the backgroud recording function!
Faced with an emergency, no longer have to hurry to open the phone find recorder application, tap the fingers, start recording in 1 second.
Quarrel with others, no longer have to worry about can''t save the evidence, no need pulling out the phone, just in the pocket and starting record.
SecretRecorder use high-quality PCM format, CD-level high sampling rate, much more clear than the android default recorder , even a small voice can be clearly recorded.
The app also will give you a vibration alerts after start recording , that helps you complete control over the scene.
Note: do not use this APP for any illegal purpose.