Since we have already set up everything we need in the shared code and on Azure, setting up push notifications for Android will be a lot less work at this point of time. To continue, you will need a Google account with a verified e-mail address; however, I would recommend using an account registered with Google Play, if you have one. You can refer to the full documentation on Google Cloud Messaging (GCM) at https://developers.google.com/cloud-messaging/.
Note that Google Cloud Messaging requires that Google APIs be installed on the Android device and that the Android OS be at least Version 2.2.
Begin by navigating to http://cloud.google.com/console, then and perform the following steps: