Explore how open source software powers Facebook's Android app development in this OSCON 2014 talk. Dive into the full release lifecycle, from organizing git repositories and conducting code reviews in Phabricator to building with Buck and improving release quality using Selendroid. Learn about Facebook's commitment to being good open source citizens and discover tools like Exo Package, Origami, Quartz Composer, Rebound, and Watchman. Gain insights into handling large repositories, integration testing with Selenium, and release scheduling. Address common questions about code reviews, synchronization methods, tool choices, and app development strategies for one of the world's largest social media platforms.