Mobile joomla from scratch

Pls help me, how to create mobile joomla from scratch, like component, template, modules and plugins.
And use single template and single sub domian for all mobiles

Install and setup is pretty easy:

check all requirements  fro your server an follow the install instructions here. www.mobilejoomla.com/documentation.html It works normally smoothly when you have mobile joomla installled as an extra component within your joomla cms.

I want to create new joomla extension for mobile like mobile joomla with different theme