Photo Locker Pro is an app for hiding pictures on Android that lets you lock your photos using a PIN code and keep them safe from prying eyes. The application uses a secret PIN code to open the app and view the hidden photos and also offers a few other security measures, such as the ability to hide photos in a hidden folder, which can only be opened using the correct PIN code.

The application is very easy to use and offers a simple interface, so even if you don't have any previous experience with apps for hiding pictures, you will have no problem getting started with Photo Locker Pro.