The purpose of the Android Secure Vault is to store securely critical information often used by other Android applications.
Critical information: Personal information (one) Adresses (zero to many) Credit cards (zero to many)
Information are encrypted and available to other Android
... [More] applications. A password defined by the user protects the information.
The information of the vault are available thanks to the API. When called, the Android Secure Vault will prompt for the user's password and then it will send back the data.
The advantages are: All your critical data are stored at the same place Your data are protected Improve your efficiency when you need to use your critical data in an application [Less]