This document discusses extending software into mobile applications. It notes that mobile device usage has surpassed desktop usage and most organizations now permit employee-owned devices in the workplace. When mobilizing software, developers must consider secure access, data security across multiple platforms, and client governance policies. The document provides guidance on an evolutionary approach to delivering mobile access and emphasizes that mobile UIs differ from desktop and require design for specific devices. It also compares options like web apps, native apps, and hybrid apps. The document concludes by emphasizing the importance of starting mobile development now and highlights key considerations like user roles, workflows, security, and UI design.