Sadly, it's called HTML5 : DOM + javascript + CSS + AJAX
Google and Apple and Microsoft have locked things down pretty good, otherwise. The best portable application appears to be Mozilla compatible.
Hi, thanks for this response! I definitely agree with you that it's easiest... and yet, startups are creating awesome iOS native apps, and awesome Android native apps - in the same office. I would love to hear more from the experience of these types of startups.
No disagreement with you on your points.