how to run a html code in browser with the click of a button

I got a file containing html code…which is named as “GST.html”…If you click this file in your in your android phone…it will open in chrome browser…and show us to calculate gst…cgst…etc…
how to run a html code in browser with the click of a button in kodular?

I can convert it to an App. You can DM me