Secure Folder Vault App is an Android program designed to protect user privacy. It offers a range of features including the ability to hide personal photos and videos, lock apps with PIN, pattern or password, lock audio files, hide personal contacts, use a private browser, and write secure notes.

The app also offers a secure wallet to keep personal information and passwords safe, a trash recovery option to restore deleted files, and an intruder selfie feature that automatically captures a photo if someone enters the wrong password.

Additionally, the app includes a hide app feature that allows users to hide specific apps from their device's app list. It is important to note that this app requires Device Administrator Permission to prevent it from being uninstalled and that uninstalling the app before unhiding personal files will result in permanent loss of data.

Overall, Secure Folder: Photo Lock Video is a useful tool for those looking to keep their personal data safe and secure on their Android device.