Recent developments suggest that mobile payments at scale is getting closer, but with new players introducing their own services regularly, is there room for everyone and if not, which solutions are most likely to take the lead?

With Google, MasterCard and Citi reportedly teaming up to go head-to-head with the U.S. carriers’ Isis joint venture with Discover Card and Barclaycard, a war in the near field communication space is on the horizon.

Worldwide mobile device sales to consumers exceeded 1.6 billion units in 2010, a 31.8 percent increase from 2009, with smartphones leading the way, according to Gartner Inc.

Waspit is a start-up seeking to carve out a niche in the fast-growing mobile payments space, which Gartner projects will grow into a $633 billion market by 2014.

The growth of mobile payments in the U.S. has stalled because the stakeholders have been unable to build compatible business models. But is the tipping point at hand?

Mobile payments let retailers close the loop on their marketing initiatives and drive revenue via the mobile Web and applications. But what options are out there?

A recent study from the Gartner Group shows that 59 percent of United States banks will be ramping up their mobile banking services within the next two years.

In 2010, application stores will exceed 4.5 billion downloads and consumers will spend $6.2 billion in them, according to a Gartner Inc. forecast.