Official Sony Emulators
These are emulators that are officially created by Sony Corporation.
Emulators on PSP
PlayStation One Portable Station (POPS):
- PS1 emulator for PSP, for playing PS1 Classics off PS Store. Use POPSLoader with CFW to use.
Emulators on Vita
PSP mode. You can also run PSP version of POPS through this using VHBL and POPSLoader.
PlayStation One Portable Station (POPS-Vita):
- PS1 emulator for Vita, for playing PS1 Classics off PS Store. This seems to be a port of PSP's POPS loader, even using some POPS modules
with PSP mode.
Emulators on PS2
PlayStation One Portable Station (SLBB-00001):
- PS1 emulator for PS2 internal and USB HDD. Install POPStarter on FreeMcBoot to use. Developed by SCEI, it was published by Konami as DLC for BB Unit owners, and came with (and locked to only play) the game ビシバシスペシャル3.
Emulators on PlayStation 3
|ps1_emu||FW 1.00||Emulator for running PS1 discs.|
|ps1_netemu||FW 1.70||Emulator for PS1 Classic downloads off PS Store.|
- Official lists: JP
|ps2_emu||FW 1.00||For CECHA and CECHB, doesn't emulate Emotion Engine or Graphics Synthesizer.|
|ps2_gxemu||FW 1.50||For models CECHC and CECHE, doesn't emulate Graphics Synthesizer.|
|ps2_softemu||FW 1.90||First iteration of full software emulator - deprecated.|
|ps2_netemu||?||Emulator for PS2 Classics downloads off PS Store and CFW.|
|psp_emulator||FW 3.15||For playing games off of PS Store, and 'HD Remakes' of PSP games.|
Emulators on PS4
|ps2_netemu variant||Not included in firmware, but in game pkg||For playing PS2 re-releases on the PSN store (eg: GTA SA)|
PS4 Dev Wiki is a great resource
Emulators on PlayStation Classic
PCSX-ReARMed  (Not made by Sony, however is included on all PS Classic consoles)