★★★★★
Addictive tips, lifehacker reviews the app as unique.

"Hilariously brilliant and effective." - Android Authority.

★★★★★

Oops! application locker does not use any on screen password ie. pin based or a pattern based locking system.

We use volume key pattern as the password. You can make any pattern using volume keys, like UP UP DOWN UP.

- Oops Applock is Totally invisible.

- Oops Applock ScreenLock is most safest screenlock.

- Using Oops Applock ScreenLock nobody can unlock your phone.

- Using Oops Applock ScreenLock nobody even notice phone is locked.

- Oops Applock ScreenLock has different styles to choose.

- Oops Applock is Most secure way to lock apps.

- Nobody even notice your app is locked with Oops Applock.

- Oops Applock is Simple.

- Oops Applock is Fun to use.

- Oops Applock can lock any applications.

- You can set different background for lock screen on every locked App with Oops Applock.

- Transparent and Black background makes as if your application is stuck.

- Fool friends with custom backgrounds using Oops Applock.

Tip- While choosing custom background, make sure it matches with your screen size to avoid clarity of the image.

Detailed How to by wonder how to
http://nexus5.wonderhowto.com/how-to/protect-apps-with-secret-volume-button-code-android-0158406/

App discussion forum,
http://forum.xda-developers.com/android/apps-games/app-oops-applocker-applocker-pin-t2960898

Please report bug at xda forum, so i can keep in touch with you.
Help me Translate to other languages
https://keybotivated.oneskyapp.com/collaboration/project?id=55522

Oops AppLock uses the Device Administrator permission.
Please activate AppLock as "device administrator". It's only used for preventing intruders uninstalling Oops AppLock.
Happy Locking.