This document provides an overview of important considerations for mobile user experience design. It discusses screen size and input/output capabilities of mobile devices, as well as common touch controls and navigation patterns. The basics section outlines screen properties and input methods like taps, drags and gestures. Layout is discussed in terms of utilizing available screen real estate and organizing content. Examples are given of navigation menus, contextual menus and other interface elements. The document concludes with recommendations for design patterns and best practices.