OAuth 2.0 Playground
Awesome Playground. This will make OAuth with your app and get your desired information. In other words you can see how will your application run for OAUTH and what information is required to code OAUTH for Google. https://developers.google.com/oauthplayground/
Verify Access Token
Verify your access token from this URL https://www.googleapis.com/oauth2/v1/tokeninfo?access_token=*********
