Google Access token server side validation for android app

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http://stackoverflow.com – I'm developing android application, that is based on communication with server, and I want to use Google(g+) authentication mechanisms. Basically, I think it should work like this: In my android app, user logs in to Google, using his email and password. User allows access to his data for related Google application. My android app receives access token, after successful log in. In further communication with my server, my android application should using received Google access token (for example: in queries). When my server receives some query from android app, with access token, it should as (HowTos)