Smart Screen Lock: PIN Lock is a handy application that can be used as a lock screen. It offers three types of locking methods: PIN, pattern, and fingerprint. This app allows you to set a PIN to protect your phone from intruders, and also offers you the option to set a fingerprint to identify yourself.

It offers you the option to set a password to make the unlocking process more difficult. It is designed to be used with your mobile phone, so you can set your password to protect your phone's screen from being unlocked.

It is very simple to use and offers you a lot of customization.