Well, I've tried out 5 of those games today
That's Forsaken, Future Cop L.A.P.D, Ace Combat 3, Carmageddon and M.D.K.
And with the exception of Future Cop L.A.P.D, all of them gave me a black screen upon startup with the 6.60 PSPGo POPS version that I was running on my PSP 3000. I couldn't...