Explore recent improvements to Facebook's Android product infrastructure and learn strategies for delivering exceptional mobile experiences across diverse global markets in this 53-minute conference talk from F8 2015. Discover how to break stories into smaller components, perform heavy work asynchronously, set up and evaluate experiments, debug metrics, and manage the release process. Gain insights into device year classification, connection class implementation, and network prioritization techniques. Understand how to optimize performance for various device capabilities and network conditions, and see practical examples using sample apps for year class and connection class implementations.