Main Features :
-Easy To Use .
-Totally Free.
-Unzip Zipper to unlock screen .
-UK Flag HD .
-Transparent Background .
-Zipper sound while Unlocking screen .
-No need to internet Connection .
-Share With Your Friends .
-Digital Time show while Unlocking Screen .
-Show alert even before Unzip .
-Enable/Disable Uk Flag Zipper.
Enjoy this Zipper lock screen instead of traditional Fingerprint lock screen