I am considering creating an app that involves writing a proprietary interactive, stand-alone HTML5 graphical interface which communicates with a native back-end (Objective-c or Java). My worry is that using HTML5 for a custom look and feel would block me from selling it on Android or Apple stores.
Does anyone know if Apple or Google would reject a request to sell an app that uses a custom HTML5 graphical interface?
If you are talking about writing your own webview (in the case of Android and whatever it is on Apple), then I don’t see why they should object to it. There are other apps out there that do this.
If you are talking about setting up a HTML5 web page on a server somewhere and have that behave as a native application, the question then is why you want to go through Apple or Google to sell it. Your customers will be able to view the page and install a link on their home screen. You could probably wrap a thin browser essentially linking to a HTML5 page and sell that on Google Market or iPhone App store.