You have different options for building mobile site, following article lists details about their use cases
http://www.cardinalsolutions.com/blog/2012/05/making_sense_of_mobi
Based on your requirement it seems option 1 (Single site with responsive layout) may be the best option.
It is very simple and you can use existing content.
Link points to localhost, if your local cq5 is not running and not on port 4502 you may bet broken link.
You may be able to find this package in adobe package share