Andrognito is a free app to hide photos, videos, and other files from intruders and snoopers. It is an app that lets you securely hide files on your device without the hassle of setting up a password or other security mechanisms. The app uses strong encryption techniques to ensure that your data is protected from unauthorized access. The encryption process is so fast that you will not notice it happening. 

To hide a file, just select a file and click the "Hide" button. To restore it, you need to go to the main menu of the app and click the "Show" button.