Gallery Vault is a free tool which can be used for hiding important videos, photos and other types of files on your smartphone or tablet. The application rocks a clean and simple to use interface where you can easily add your important files. It works by creating an encrypted and password protected vault and all your important files will be stored here.
Each time you will try to open the vault, the app requires you to present the correct password. Another measure taken by this tool to protect your files is by hiding its own icon. In term of customization, this application allows users to pick from a couple of themes having different colors. It can even work with tablets and SD card.
Encrypted files can be moved to your SD card in order to save storage space on the device. In addition, this application provides a built-in web browser which has a feature that downloads all the images and videos incorporated inside a web page. If someone tries to access your private content, the app will take alert you and take a selfie as well.
It also comes with support for fingerprint authentication if your device is made by Samsung and has this type of technology available.