We need either an app that can compile LaTeX source (+all included libs, which sounds like a lot, but it's equivalent to a JS-heavy web page) on all the clients (preferably as a browser plugin or integrated feature!)
or authors should distribute their PDFs as bundles that include formatted versions for all of paper, large screen, and small screen.
or authors should distribute their PDFs as bundles that include formatted versions for all of paper, large screen, and small screen.