How to use OAUTH In AppInventor


How is MIT AppInventor Using Google OAUTH, but normally the appengine auth screen opens?

Cek this
https://puravidaapps.com/oauth.php

We run our own OAuth endpoint to handle Google authentication in production. Not all of the App Inventor services run on Google's infrastructure, so we don't rely on the standard App Engine auth screen in production.

Can you please explain?

Can you please explain how?