Mobile web tech could support the overwhelming majority of use cases without jank with a few key, non-impossible improvements. And they would if there were any incentive for platform owners to do so.
Its not enough to run applications on the browser, you need to fix some of the things that make browsers weak giving we need to let go all the information to cloud providers who will then monetize on it somehow.
Years ago i've put myself into this path to build something that could help a little bit on this. I hope this can cover some ground as the future looks bad for everyone else who is not part of the big tech paradise, as outside of it, everything is being sucked by a big straw and dying a long, slow and painful death..