Build an Android application with secure user Authentication by STORMPATH
You can build a simple Android app that stores user generated notes remotely with user Authentication managed by Stormpath and there new Android SDK.
1.user logged in securely using the OAuth2 protocol with signed JSON web Tokens.
2.Stormpath android library used to help multi – tenancy and single sign on.
3 they used tools>
A. Express B. Express- Stormpath C. Heroku