Modern Android Development

Brings together learnings from a decade of leading-edge Android app development.

What is Android?

Android is an operating system for smartphones, tablets, e-books, digital players, wristwatches, fitness bracelets, game consoles, laptops, netbooks, smartbooks, Google Glass glasses, TVs, projectors and other devices.

About the Android Open Source Project

Android is an open source operating system for mobile devices and a corresponding open source project led by Google. This site and the Android Open Source Project (AOSP) repository offer the information and source code needed to create custom variants of the Android OS, port devices and accessories to the Android platform, and ensure devices meet the compatibility requirements that keep the Android ecosystem a healthy and stable environment for millions of users.