With Visa signing on; Google stands to make a big (Android) push with getting the nascent field of mobile payments up and running (in America and the EU). However, the commercial adoption / adaption is and will be still largely dependent upon the acceptance and implementation by Retailer Industry itself (which IS the largest driver of consumption in most of the non-OECD nations that are lagging behind their Asian counterparts within this space).
From Sudan Vision Daily: http://goo.gl/19wLd
PS: Thanks (obviously) go out to The Who (too!)