We would like to show you a description here but the site won t allow us. Google s oauth 2 0 apis can be used for both authentication and authorization. This document describes our oauth 2 0 implementation for authentication which conforms to the openid connect specification and is openid certified the documentation found in using oauth 2 0 to access google apis also applies to this service. アンドロイド google アカウントアンドロイド google アカウント 削除アンドロイド google アカウント ログアウト