Free download JB LockNow APK for Android, PC. Latest version is 1.1.0, update at March 22, 2018
JB LockNow version 1.1.0 is only one variant.
Available on Android 6.0(Marshmallow).Long tap of the Home button on Android 6.0.Setting for Android 6.0 :This app settings > Set default assist app > Assist app > JB LockNowJB LockNow...