how to test your HTML code on your smartphone browser

Question

when you create a web page on sololearn playground how to get the source code file ...
and how to test it on a common browser

Answer 1

open https://www.000webhostapp.com to make your own website for free
complete the registration
made a new files called index.html
copy the code from sololearn and paste it in there
save it
open the html files where you placed

Answer 2

Install any text editor in your device. Then copy the code from Sololearn and paste it there. Save that code with either .htm or .html extension.

Then open that file from file manager and run it in browser.