DUBLIN--(BUSINESS WIRE)--Research and Markets (http://www.researchandmarkets.com/research/fbqr9r/europe_online) has announced the addition of the "Europe Online Gaming Market 2015" report to their offering. In Europe's largest gaming market, Germany, the virtual goods segment is booming: revenues from micro-transactions in games more than doubled in 2014, while smartphones and mobile phones overtook PCs as the device most used to play games. In the UK also the freemium games model was the growt