In the chapters— Chapter 7, Using Android Services, Chapter 8, Mastering Intents – A Walkthrough and Chapter 9, Playing with Advanced Graphics—you learned how to use some of the most advance modules that Android has to offer through Xamarin. In this chapter, you will learn how to use the new features, such as fragments and Speech recognition, that come with different versions of Android. Also, we will present some of the features that you can use with Lollipop, KitKat, Ice Cream Sandwich, and Jelly Bean versions of Android.