Follow along with the video below to see how to install our site as a web app on your home screen.
Note: this_feature_currently_requires_accessing_site_using_safari
There are several good hosting companies and a larger number of not so good ones. There are one or two thread here that have members' opinions. I use A Small Orange - been with them for years and still happy with them.
Depends on what your budget is too, of course. Dedicated servers aren't cheap. You might find that a VPS will suit you.