Who this book is for

This is book designed for the developer with a basic knowledge of any programming language. This book will utilize Node.js, C# and Xamarin Android, and if you are not familiar with any of these language you can start with basics tutorials from the following web sites:

• Node.js - https://www.w3schools.com/nodejs/
• C# - https://docs.microsoft.com/en-us/dotnet/csharp/quick-starts/
• Xamarin - https://docs.microsoft.com/en-us/xamarin/android/
• Android - https://developer.android.com/guide/