Google Play services

1. Google Play services

   What Play services provides and the API availability model.

2. Location

   FusedLocationProviderClient and location requests.

3. Play Integrity API

   Integrity verdicts, nonces and server-side verification.

4. Play Billing Library

   In-app products, subscriptions and BillingClient.

5. In-app updates

   Flexible and immediate update flows.

6. In-app reviews

   Requesting a Play review from within the app.

Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.