It might seem the same, but it isn't.
Wrapping websites is technically possible with phonegap, but it's a bad practise and it's against apple guidelines, so your app can be rejected on the app store. Google
Oh okay, thanks.
Then you can use AJAX on the client to access that webservices.
But on a phonegap app you can only use java for android and blackberry plugins.
If you just point to your website, then it will work with phonegap, but you don't need phonegap for that, you can use a regular webview, or even better, a web browser