And Reflector is a tool that has to stay current, it has to work in all sorts of new ways, with new mobile devices, with new versions of the.net platform.
Though Google is touting the search history function on the mobileplatform, it's worthy to note that it should work from any browser, whether mobile or desktop.
While Google's solution is also platform and browser dependent, it shows how mobile payment can really work for both the merchant and the consumer while keeping security risks to a minimum.