Sony is working on a new secret PlayStation concept, Worldwide Studios boss Shuhei Yoshida has revealed.

The project - most likely to be the long-awaited 'PSP2' - is being created in full collaboration with Sony's studio network.

Yoshida told Develop: "When Ken Kutaragi moved on and Kaz Harai became the president of SCE, the first thing Kaz said was, 'get Worldwide Studios in on hardware development'.

"So he wanted developers in meetings at the very beginning of concepting new hardware, and he demanded SCE people talk to us [developers]."

When asked if the approach applied to new hardware already being created, he added: "Yes, we are undergoing many activities that we haven't yet been talking about in public. Some future platform-related activities."

CVG revealed earlier this year than Sony Computer Entertainment had filed a trademark in the US under the name of 'Playview'.

The filing described the trademarked device as a: 'Portable electronic device for receiving and reading text and images and sound through wireless Internet access and for displaying electronically published materials, namely, books, journals, newspapers, magazines, multimedia presentations.'

However, it added that the product would handle 'Computer game software recorded on optical discs'.

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