Sale has ended but you can still get this app.
Download Pro Xamarin In My Pocket Now
Pro Xamarin In My Pocket

Official Description

Following Topics is covered into this application.

Xamarin Forms,
Xamarin Forms SQLite,
Xamarin Forms Prism,

Xamarin Android,
Xamarin iOS,
Xamarin UWP,

Xamarin Interview Questions,
Xamarin Practices,
Xamarin Interview Test.

Some of the above topics will be available soon as the application development is still going on.

Features-
Added Tutorials with Output and Source Code.
Try it Now feature.
Online interview Test.
Everything related to Xamarin is available in one roof.