Nowadays the required features have largely stabilised and mainstream platform providers have emerged. The evaluation criteria for the selection of a mobile payment platform is starting to converge to a standard set and analysts have started plotting suppliers on their two-dimensional grids. That is why I believe that the question is not about a specific platform or which solution is best, but rather how will the solution fit into a bigger payment eco-system.
Nowadays it is more important to consider how easily can the payment platform integrate with others, what are the network payment services that will become available. Considerations like inter-operability, under-writing of payments, the width of acceptance etc. are much more important than what the system will do. The game has changed from a platform discussion to an eco-system consideration.