With the development of technology, more and more apps appeared in the mobile market. 10,000+ users downloaded Knock to Unlock Screen latest version on 9Apps for free every week! If you are not comfortable with the old version then you can updated it right now. This hot app was released on 2015-05-28. Besides, you can also select other popular apps you like here!
Knock to Unlock Screen give awesome looks to your lock screen.
Knock to Unlock Screen look like real door you open lock screen door is open also your mobile is lock Screen door is locked.
Knock to Unlock Screen provide unique lock pattern to unlock screen.
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