People love to use their phones, tablets and other touch devices. As a result, developers are giving more thought to building quality applications for touch screen devices — it is now a top priority for responsive UX design. A large part of touch UX design is ensuring the apps you design respond intuitively to your user’s needs. One of the best ways to supercharge your Javascript Mobile App is with Sencha Touch effectively. In this post, we will show how. Ext JS is a feature-rich JavaScript framework for developing cross-platform web applications. Try it now for free.