Does everyone tries to unlock your phone and watch the stuff inside, then here is an amazing app which acts as an hidden eye of your smartphone. Hidden Eye is a simple app with no frills that will photograph the person when they try to unlock your phone. You can set it to play your ringtone when a user tries to unlock your phone without your knowledge.
The app has no real purpose unless you have your devices security settings on with a pin code or pattern lock. If you do though, this could be a great app for you.
This app clicks pictures using your front camera of your phone. If your phone has no front facing camera, the application can still help you when someone try to snoop into your phone. You can set the phone to sound your default ringtone if someone is trying to unlock your phone with wrong password.
This app requires 2.3 android version or above. Hidden Eye is categorized under tools section. It have received more than 50,000 installations . The amazing thing about this app is that it is very light i.e. just 573 Kb in size which every one can easily afford. The last update was on 3 November 2012. The 338 user of Hidden Eye have gave ratting of 3.9 out of 5 to this Cool Security app.