Japanese Game Maker on a Buying Spree (Published 2010)TOKYO � DeNA, a Japanese social game company, said on Tuesday that it would acquire Ngmoco, a Silicon Valley iPhone game developer, for $400 million � one of the largest deals involving an iPhone software company and another sign that Apple’s products are fast becoming the hottest mobile game devices on the market. The acquisition is also the latest in an overseas spending spree by DeNA, which is
