Safe – lock screen is a fun and useful phone security application. In the app you will find three fantastic 3D safes, including realistic sounds, to lock your phone. With this application you will be able to lock your phone not to allow anybody else to access it. The safe - screen lock is very easy to use.How to use the application:- Set a PIN containing a maximum of four numbers in the settings section of the application.- To unlock your phone, enter the PIN or dial it with the knob.On entering the right code, the safe door will open and the cellphone will unlock.In case of any problems with the effect of safe – lock screen, instead of giving us the negative opinion, please send us an e-mail and review briefly the problem. It will help us to solve it in the next updates of lock screen.Safe lock screen is free but contains ads inside application. Revenue from advertising will help us to create new attractive wallpapers and applications. All permissions are required only for advertising and are supported by trusted vendors.