Tooltips for mobile browsers

Question

I currently set the title attribute of some HTML if I want to provide more information:

An 

        

Answer 1

The title attribute is not supported in any mobile browsers **in a way that it would show the tooltip the same as to desktop mouse users** *(the attribute itself is ofcourse supported in the markup)*.
It's only basically for desktop users with a mouse, keyboard only users can't use it either, or screenreaders.

You can achieve almost similar with javascript as you said.