[thepra]

Web apps can be packaged for release in different marketplaces, that's something that you can't do with all native code of just one platform.

That being said, you better start learning to pull up quickly landing pages and gauge/investigate interest of the audience or potential clients and improve your marketing and selling skills asap.

The idea alone is never enough most of times even though your hands are itching to start on building an idea or product.