Who touched my phone? Who unlocked tried to unlock – 5.7.1

Application will record those who will use your phone using the front camera in the background mode, invisibly for user. You will see who, when and what did to your favorite device while it is not under your attention. How does it work? 1) Open app and click the button. Then close the app and lock your device; 2) User unlocked device or tried to do it.