Update: RJC4LIFE has reported that playing PSOne games via Remote Play also works with firmware 3.71. So as long as your PS3 is updated to 2.10, you can take advantage of this functionality even on a homebrew capable PSP.

According to various posts over at the official PlayStation forums, PSP firmware 3.80 and PS3 firmware 2.10 have silently added new functionality to allow users to play PS Store-bought PSOne games and original PSOne game discs on the PSP through Remote Play.

The Unofficial PS3/PSP Remote Play Thread [PlayStation]

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