Google Play services let you easily add more features to attract users on a wide range of devices, while using well-known features powered by Google. Using these services, you can add new revenue sources, manage the distribution of the app, access statistics, learn about your application users' habits, and improve your application with easy-to-implement Google features such as Maps or Google's social network, Google+. Some of the services are explained as follows:
Google+: Using the Google+ Platform for Android, you can authenticate the user of your app. Once they are authenticated, you can also access their public profile and social graph, among other actions.
Google Analytics: By integrating this service, you can allow your app to send information to Google Analytics. It is a tool that collects the metrics of your app. Metrics can help you to learn how users use your app by tracking events, like the number of taps on a button or by tracking the visualization of screens...