News via http://emu-russia.net/en/

Geohot released updated versions of GenesisPlus GX, Mednafen, FCEU, FBAXX and SNES9x which were signed by recently found PS3 security keys. Now these emulators should work on Geohot's custom firmware.

http://emu-russia.net/en/files/emus-ps3/gen/
http://emu-russia.net/en/files/emus-ps3/nes/
http://emu-russia.net/en/files/emus-ps3/cps1/
http://emu-russia.net/en/files/emus-ps3/snes/