PSP Windows Thing????

I seen this thing for PSP i don't know what firmware it runs on either, it is like its own OS system, Sorta like windows. how do I get this???
Anyone even know what its called?

umm ir shell??

Yea its the newest one, or you must be thinking of PSXP

ir shell is best

(newestc0 cuz it has lil icons like psxp
but lot more things

THATS THE NAME OF IT XD PSXP And that IR shell I think i heard of on a forum, What firmware they run off of?
and where can I get me one ^^

Theres one portal called pspWxp. It's for all firmwares with a internet browser.

Yes, including 2.7.