Can you make a app like chatting app with HTML javascript, and CSS??

Answer 1

Yes, with these technologies and Firebase for storing files and messages.

Answer 2

are you talking about android app then yes you can made that by html css and javascript this lesson will help you regards this
https://www.sololearn.com/learn/1439/?ref=app

Answer 3

U will also require to use Nodejs

Answer 4

What is it?

Answer 5

What about quiz game?