This document discusses using Visual Studio Team Services (VSTS) and HockeyApp for continuous deployment of mobile apps. It notes that HockeyApp is now Microsoft's primary offering for mobile crash reporting, beta distribution, and user feedback. The document demonstrates how to set up an automated build in VSTS to generate app packages, run tests, and deploy the packages to HockeyApp for testing. It also provides a recap of using HockeyApp with Xamarin.Android, Xamarin.iOS, and Windows UWP apps.