A free app for Android, by Androphix.

Have you ever experienced the problem of your photos and videos being shared with people you don’t want to? Or maybe you have seen the photos and videos of celebrities and you want to keep them private? Well, if you have been thinking about this problem for a long time, then you have come to the right place. You are going to download our photo and video locker app. With this app, you will be able to hide photos and videos from the gallery of your phone or tablet. We will also be able to hide images from social networks, such as Facebook, Instagram, Twitter, and more.

The best part of this app is that it is free.