The In-App Purchasing (IAP) API makes it easy for you to offer digital content and subscriptions for purchase within your app, such as in-game currency, expansion packs, upgrades, magazine issues, consumables, and more. You can quickly be up and running, ready to give millions of Amazon customers the ability to purchase engaging digital content using Amazon 1-Click settings

All APIs for communicating with the Android system.

A collection of low level libraries to help make mobile app development easier.

Sell more Potions, Magic Hats, & Power Ups. Increase your in-app purchase revenue and make changes in real-time with Chartboost Store, our new backend service for mobile game developers.

DoubleClick is the ad technology foundation to create, transact, and manage digital advertising for the world's buyers, creators and sellers. Available for iOS and Android

The Facebook SDK for Android is the easiest way to integrate your Android app with Facebook's platform. The SDK provides support for Login with Facebook authentication, reading and writing to Facebook APIs and support for UI elements such as pickers and dialogs.

React is a JavaScript library for creating user interfaces by Facebook and Instagram. Many people choose to think of React as the V in MVC. We built React to solve one problem: building large applications with data that changes over time.

FMOD Studio is the professional audio content creation tool, for creating interactive sound and music for games and other types of applications FMOD Studio programmer’s API is the interface for programmers to load FMOD Studio projects and play them back in realtime. Also includes a low level API for simple sounds/channels/dsp/geometry.

The Google Analytics SDK for Android makes it easy for native Android developers to collect user engagement data from their applications. Developers can then use the Google Analytics reports to measure: The number of active users are using their applications. From where in the world the application is being used. Adoption and usage of specific features. Crashes and exceptions. In-app purchases and transactions. And many other useful metrics... The Google Analytics SDK also gives you the tools to monitor the success of mobile marketing campaigns. Connect user interactions with paid ads, Google Play downloads, and subsequent in-app usage and Ecommerce transactions. Google Analytics provides a powerful platform to measure and optimize all of your application marketing efforts.

A service for developers that allows users to share the app with people that they know.

Google Play services offers a standard authorization flow for all Google APIs and all components of Google Play services. In addition, you can leverage the authorization portion of the Google Play services SDK to gain authorization to services that are not yet supported in the Google Play services platform by using the access token to manually make API requests or using a client library provided by the service provider.