This document discusses automating the mobile app lifecycle using HockeyApp and Xamarin Test Cloud. It covers building, testing, and distributing apps for platforms like iOS, Android, and UWP. Features include continuous integration, testing on real devices, submitting tests, signing and distributing builds, crash reporting and analytics, and using services like CodePush, Azure, and push notifications. It also mentions using Xamarin Live Player to test apps directly on a connected device from Visual Studio.