How Google Play Works

android - Does Alpha/Beta apk publishing works unpublished app in Google Play? - Stack Overflow

Overview of Google Play Instant

Google Play Services: Everything you need to know - Android Authority

Google Play Services

Google tests advertising apps in search field over history in Play Store

Now, you can easily find tablet apps on Play Store: Here's how

My google play services doesn't work. It says it needs to be updated but when I try it doesn't work. - Google Play Community

What Is Google Play?

Learn to use the Google Play Store on an Android device

Google Play Store, Android Developers