Here is a great guide for packaging your Sencha Touch 2 application. In addition to this, also take a look at the getting started guide for Sencha Touch 2 since alot has changed.
For years Web App developers have dreaded the browser fragmentation and having to support IE. It required a lot of extra finess in both Web frameworks and Web App code to make sure things worked close to intended across all browsers specifically IE. Now that the focus has shifted to the mobile web, history is…