Devise + Google Apps OAuth

I'm trying to add Google Apps authentication to my Rails (3) app using Devise (1.2.1). Thing is, I can't find anything that helpful on the interwebs other than the small mention in the devise wi开发者_如何学JAVAki.

Question is, is this possible, and are there any examples out there I can check out?

Devise is to make your web application authenticate users. If you wanт users to login into your app with Google ID then look into OpenID. If you want to connect to Google services you need to implement Oauth client