Indianapolis: The latest Google Play Services 7.8 which was rolled out a month ago introduced the new APIs like Face detection, Barcode scanning and GCM (Google cloud messaging). These new APIs help users in several ways; the new Face Detection API allows developers to find human faces in an image or a video whereas the Google Cloud Messaging API offers an expanded notification to support localization for Android.

The new APIs introduced along with the Google Play Services 7.8:

Face Detection API