[lukifer]

What universe are you living in? The web sites/apps I use do all the things you describe, on desktop and mobile, excepting perhaps that most do not function offline (though the capability exists, the adoption rate is still low).

What's wrong with HTML being a compromise? Most things are compromises. What started off as hyper-linked rich text is a now a pretty-good (and completely open) software platform that really does work on just about any computing device there is, which would have seemed like a crazy pipe dream 20 years ago. What's the problem?