Developer's DescriptionBy predefaultCalculator Vault is a private file manager can be the perfect way to protect your privacy, hide your private photos, videos, notes or contacts.Calculator Vault is a private file manager can be the perfect way to protect your privacy, hide your private photos, videos, notes or contacts. On the surface this is a standard calculator, enter the password on the calculator then press '' to access your private files, safe and convenient.File Manager:- Import photos and videos from album.- You can easily share pictures, videos via third party App such as e-mail, WeChat, Evernote, Dropbox, etc.Private Contact:- Unlimited add contacts.- Add a note to a contact.- Speed dial, send SMS, send e-mail.Private Browser:- Full-featured browser.- Easy to add, manage your bookmarks.Private notes:- Unlimited add notes.More:- Standard calculator.- When the application is switched to the background, automatically displays the calculator screen.- Fake password.Note:Your data is stored at "/sdcard/.me.lam.calculatorvault", you can manually back it up at any time.