Sencha Touch is a user interface (UI) JavaScript library, or framework, specifically built for Mobile Web. It can be used by Web developers to develop user interfaces for mobile web applications that look and feel like native applications on supported mobile devices. It is fully based on web standards such as HTML5, CSS3 and JavaScript.Sencha Touch enables you to quickly and easily create HTML5 based mobile apps that work on Android, iOS and Blackberry devices and produce a native-app-like experience inside a browser.