This document discusses Sencha Touch and PhoneGap for building mobile applications. It begins with an introduction to Sencha Touch, describing it as the first JavaScript framework for building rich mobile apps using web standards. It outlines the core components and features of Sencha Touch like lists, forms, events and stores. The document then provides an overview of PhoneGap/Cordova, describing it as a platform that allows writing native mobile apps using HTML, CSS and JavaScript. It discusses PhoneGap's capabilities for accessing device features like the camera, contacts and compass. The document proposes a workflow for developing Sencha Touch and PhoneGap applications together, covering mockups, development, testing, and deployment to app stores. It compares advantages of native,