You may want to hide some photos or videos from your Android mobile devices. The application Gallery Security Pro will help you to hide your secret photos and videos. You can access them via this application and can set a password to protect from the unauthorized access
Arrange photos and videos inside hidden folders
Select multiple images to hide or unhide
Share hidden videos or photos
Encrypt so that they will not be visible on file browsers
Set the app to automatically close when the screen-lock is activated.
The application is Free for a limited time, so grab the application from the Google play store now from this link - https://play.google.com/store/apps/details?id=com.usefl.filecover