Mobile Zen! In a short 5 years, mobile development has gone from a non-existent market to a multi-billion dollar one. This issue focuses on the art of mobile software development with concepts inclusing cross-platform development and mobile design. This is the ad-free version of this publication.Table of Twenty Years as a Software Engineer*) SharePoint Content Database Performance*) Using the WPF Tree View with Multiple Levels*) Why Your App’s UX is More Important than You Think*) Developing Cross-Platform Mobile Apps using Xamarin*) The Simplest Thing Promises in JavaScript*) Bootstrap 3: What’s It All About?*) New iOS 7 APIs for the C# Developer*) Managed On PassionFor more information, visit www.codemag.com