AWS Mobile
Developer Guide

Verify All Platform Client IDs

If your app supports both Android and iOS platforms, then your app project in the Google Developers Console will now have three client IDs: one for web application, one for Android, and one for iOS. You can verify that you have all of the credentials for all of the platforms by looking at the Credentials panel in the API Manager for your app, as shown in the following.

         Client ID values for all platforms in the Google Developers Console