i'm trying to integrate sencha touch 2 files ( js, css) at my phonegap app, but i'm having a trouble that says the variable app it's not defined, i'm following this tutorial ( http://www.sencha.com/learn/a-sencha-touch-mvc-application-with-phonegap/ ), but it seems to be out of date :( , i feel like a noob, does any one knows a good tutorial, about how to intagrate sencha touch 2 with a phonegap project, it's is only necesary to call the js and css files? please i´m very sad :( and i can't found no information about how to do this.