How to run HTML code in mobile?

1)Learn html,css,js
https://play.google.com/store/apps/de...

2)How to submit HTML form data to google spreadsheet?
   • How to submit HTML form data to google spr...  

3)How to run PHP file in localhost using XAMPP Server?
   • How to run PHP file in localhost using XAM...  

4)How to download XAMPP Server for windows?
   • How to download XAMPP Server for windows?