In this photo provided by Nintendo of America, Satoru Iwata, president of Nintendo Co. Ltd., showcases the Nintendo 3DS portable video game system at the Game Developers Conference in San Francisco on March 2, 2011. The Nintendo 3DS launches in the United States on March 27, 2011 and offers a realistic, immersive 3D gaming experience without the need for special glasses. (Kim White for Nintendo of America)