Thank you for this idea.
My use case is a Kindle Paperwhite running its experimental browser.
The kindle is being used as a display device in bright sunlight - think of it as a dashboard.
My mobile phone needs to stay in my pocket, is the hotspot, and may not be connected to either a wan or the internet.
Kindle points to 192.168.43.1:8080/page.html or similar.
Phone runs as a hotspot and collects GPS metrics publishing to an HTML page say page.html
page.html has a refresh every x seconds to keep refetching the latest status
Hope that explains the gist of the plot!
Thanks
Phil