To save your phone privacy set the pin lock screen it's just a 4 numbers but no one can access to files phone without this 4 numbers, or you can just active slide lock screen and choose the favorite anime girl to put her as wallpapers lock screen. also you can use both (pin lock screen with slide screen lock in the same time).
+--+ Features:
+ 100% free application.
+ Lock screen locker.
+ Keypad lock screen.
+ + Anime backgrounds.
+ Anime slide to unlock.
+ Set passcode to protect your privacy.
+ Pin lock screen.
+ Free application.
+ Anime wallpapers.
+ Anime girls backgrounds.
+ You can watcher anime girls on your lock screen.
+ Anime lock screen.
+ Anime chat girl.
+ lock screen slider.
+ Cool anime keyboard to unlock.
+ The best lock screen with Anime launcher.