Sony's entertainment divice 'NGP'

President of Sony Computer Entertainment, Kazuo Hirai unveils a new handheld gaming device codenamed 'NGP' for Next Generation Portable in Tokyo January 27, 2011. (REUTERS/Kim Kyung-Hoon)

Photographers take pictures of the next generation portable entertainment divice, codenamed 'NGP' from Sony Computer Entertainment in Tokyo on January 27, 2011. (AFP/Toru Yamanaka)

President of Sony Computer Entertainment, Kazuo Hirai introduces the company's next generation portable entertainment divice, codenamed 'NGP', at an event in Tokyo on January 27, 2011. (REUTERS/Kim Kyung-Hoon)

A TV cameraman takes video of the next generation portable entertainment divice, codenamed 'NGP', the first to feature 3G wireless connectivity from Sony Computer Entertainment in Tokyo on January 27, 2011. (AFP/Toru Yamanaka)

Kazuo Hirai, introduces the company's next generation portable entertainment divice, codenamed 'NGP' in Tokyo on January 27, 2011. (AP/Shizuo Kambayashi)

Shuhei Yoshida demonstrates Sony's next generation portable entertainment divice codenamed 'NGP' in Tokyo on January 27, 2011. (REUTERS/Kim Kyung-Hoon)

Kazuo Hirai unveils a new handheld gaming device codenamed 'NGP' for Next Generation Portable in Tokyo January 27, 2011. (AFP/Toru Yamanaka)

Japanese entertainment giant Sony unveiled the portable touchscreen PlayStation as it looks to launch a fresh challenge to Nintendo and Apple in the competitive mobile gaming market.Sony Corp's new handheld gaming device codenamed 'NGP' for Next Generation Portable is displayed in Tokyo January 27, 2011. (AP/Shizuo Kambayashi)