Basically the only help your phone provided is to give you guts to defend yourself in court. The data you obtained with google tracks has as much legal authenticity IMHO as data you could pull out of your behind. But the fact that you asked the officer the right questions and he didnt have the right answers is in my opinion why the judge decided in your favor.

btw here is a similar story with an iphone and a radar detector http://www.americanbankingnews.com/2011/01/21/radaractive-he...