Calculator-Vault, Hide File is an application that hides files. It can safely keep photos, videos, audio, and other files on mobile phones because no one knows that they are encrypted. The camouflage layer is a beautiful calculator application that runs well. Your files will be secretly stored behind the personal computer in a hidden folder. You can only see the actions specified by the computer when you enter the password to get inside the hidden file part. Security functions: ☆ Vault: Encrypt