The first reason is that in the app stores, you can get paid :) Second would be that PhoneGap exposes some functionality you can't get at with a standard web a

The first reason is that in the app stores, you can get paid :) Second would be that PhoneGap exposes some functionality you can't get at with a standard web app (some hardware sensors, contact data, etc.). Third would be exposure. Most folks are now familiar with shopping for apps in the app store. While you can accomplish the same thing by visiting a website and "adding to home screen" or whatever, the "workflow" isn't as well known.