Personal information
We take your email address (if you provide when setup app password) and send a confirm to this email to ensure you enter correct email address for reset password purpose.
Permission explantation:
BIND_DEVICE_ADMIN permission: App will ask this permission when you enable feature Prevent Uninstallation, it will help to prevent other people to uninstall this app, keep safe & prevent losing vault data. It is NOT required feature, you can choose to not granting this permission to the app.