A lock screen app has ripple effect, exactly the same as S3.
Also you can set camera shortcut to access camera easily, setup your personal text, add application shortcuts.
1. Click settings icon on right of tool bar to enter theme settings.
X Locker, you can change wallpaper, setup security lock, and more.
This is a theme of X Locker, need install X Locker to run this theme.
Fix some crash