1. Taking less memory as compare to other Locker.
2. You can easily enable or disable Locker.
2. Numeric lock protection (minimum password length 4 digit and maximum 8 digit)
3. Forget password features
4. Update password feature
4. Simple and attractive UI design.
5. Set security question for finding forget password
6. If locker does not work open Lock for WhatsApp application and press restart service.