Some Hacks i would like to suggest.
EDIT:Pack includes, Loco Roco (JP), World Soccer 06 (UK), Loco Roco Halloween (UK), Ridge Racer 2 (US), Moto GP (US)
Mercury Meltdown, Kazuo (Go! Sudoko), Locoroco demo 3, Exit, and Block Club are not included.
Mercury Meltdown and Kazuo (Go! Sudoko) will be added when i find the EBOOTs ^.^ they're on my psp somewhere...
http://files.filefront.com/Demos_for_27 ... einfo.html
They are the Sony Demos modified to run on 2.71 SE-B and Devhook