A man plays a Nintendo 3DS portable game console near a advertisement of Sony's PlayStation Vita handheld...
A man plays a Nintendo 3DS portable game console near a advertisement of Sony's PlayStation Vita handheld gaming device at a Yamada Denki electronics retail store in Tokyo June 4, 2012. Japan's Nintendo, the world's leading game console maker, unveiled a new online strategy on Monday, saying it will launch a social and content network dubbed Miiverse for its latest version of the Wii - the Wii U. REUTERS/Toru Hanai (JAPAN - Tags: BUSINESS SCIENCE TECHNOLOGY)