As it is running on localhost, you can simply check on simulators by using the same urls as on browser
iPhone 4
iPhone 5
Also, you can try Intel XDK, it has inbuilt iPhone simultors. It is easy to use. Simply put application and run.
Intel XDK
Or you can try packaging it in native iOS so that you can run in Xcode and see on Xcode simulator your app working. For that you can use Phonegap, refer link
http://docs-origin.sencha.com/touch/2.3.2/#!/guide/cordova-section-iOSNote
Also,
http://docs.sencha.com/touch/2.3.2/#!/guide/native_provisioning
Hope this helps you with your problem.