Top 20 NuGet application-introduction Packages

Xamarin.Android Binding for NicholasMata's Spotlight, an elegant and fun way to help a user understand specific parts of your Android application. Simple to use and highly customizable.
Xamarin.Android Binding for dimorinny's show-case-card-view, an App Introduction Library
The ShowcaseView library is designed to highlight and showcase specific parts of apps to the user with a attractive and flat overlay.