When the first Mobile Payment systems appeared on the market at the turn of the millennium, the expectations were high in terms of possibilities, scope and implementation of the new Mobile Payment systems. Despite the promising predictions, the Mobile Payment market has so far grown very slowly,and no comprehensive breakthrough has taken place in Europe. To analyse the reasons for this situation and show long-term development prospects onthe German market, the Center for Payment Studies at the Research Centerfor Financial Services carried out two academic studies. The first survey Mobile Payment where are we headed? Opportunities and risks for marketparticipants in Europe is examining the development and trends of the EuropeanMobile Payment market. Especially aiming to determine the requirementsand preconditions for Mobile Payment and develop possible businessmodels for Mobile Payment from the point of view of banks. The second study Mobile Payment: Business models, applications, added value and client expectations is examining developments and trends in the European mobilepayment market. The goal of the study is to analyse the current Mobile Paymentecosystem and to identify paths for development. In particular, the possibilitiesfor added value services and the potential of such offers are to beexamined. The present book is a compendium of the two surveys and offersinteresting insights in varies fields of the Mobile Payment ecosystem.