This document discusses using HTML5 for mobile application development. It covers technologies like PhoneGap that allow wrapping HTML5 apps in native containers. It also discusses specific frameworks like jQuery Mobile that help build mobile UIs. Native development for Android using Eclipse and iOS using Xcode is described. The document provides code samples for building basic HTML5 mobile pages and apps using technologies like Canvas, media queries, and device events. It outlines the process for deploying HTML5 mobile apps to simulators and devices on both Android and iOS platforms.