A free program for iPhone, by Hau Nguyen.

Among Lock Screen is a security application that is useful for Android phones. This is an application that allows you to create a photo vault on your device, where you can keep private and secured files. It uses fingerprint scanner technology and also allows you to access your vault using Face ID and Touch ID. You can also access your vault using a password. This application is simple and easy to use. Among Lock Screen is an ideal location for you to save photos, movies, passwords, and more. You can keep your personal things in a safe place and it will not be accessed by anyone. The application uses among Lock Screen and does not access the camera or camcorder of the device.