When it comes to math and mobile websites, in my opinion simple is better. I think the best mobile sites are the ones that let me navagate with my hands at the one and the eleven positions on a steering wheel. (well not me but you know people do this)
Five Simple Mobile Website Tips You Need to Know | Love at first …
The point is that the mobile site for most local businesses just needs to deliver the basic info. A paragraph or two about the business and what makes them unique, a map to the location and a click to call button.