If you want to be extra secure on your phone, you can install the app Photo Pattern Lock Screen, DIY. It allows you to create a password that only you can view. You can also set your phone to display a pattern screen when you press the power button.

This is an excellent and secure app to lock your phone. It is easy to use and allows you to have your phone secured. It is a free app with plenty of beautiful wallpaper.

The app is simple to use and has an easy-to-use interface.

DIY Lock Screen - Photo Pattern is compatible with a number of devices such as the Samsung Galaxy S7, Galaxy S6, Galaxy S5, Samsung Galaxy Note 4, 4A, 4, 3 and many more.