You might need to store a password or pin to your phone incase you forget. You can take advantage of this app by saving document numbers and access them right from your phone. This KeyStore is safe, no body has access to them. Your passwords remain where you are. Don't worry about us sending you passwords to some server. This app is 100% secure and stores them locally to your phone. You are safe and secure anyplace any time. It's your KeyStore so be safe and feel safe