According to an article from Kurzweil News, Google has begun roll out their Wallet app on the Sprint network to all Sprint Nexus S 4G phones with plans for more phones and possible other wireless networks in the future. 

Competition for English Keywords and content is around 50 to 80%, according to current reports.  In an article on Search Engine Watch,  Christian Arno explains how it is possible to achieve higher rankings using foreign language keywords.

According to an article by Aaron Smith, a national survey of Americans indicated that nearly a third of adults prefer receiving texts on their mobile device rather than having to a real voice call.