For those interested: PS2 Classic versions of GTA III, Vice City, San Andreas (only in the Triology bundle, the stand alone is the mobile port), and Liberty City Stories are still available
PS5 Backwards Compatibility: Can You Play PS3, PS2, and PS1 Games on PlayStation 5? - Push Square
Where to find the game icon and background images for use in PS2 Classics GUI : r/ps3homebrew
PS4 backwards compatibility: Can You Play PS1, PS2, and PS3 Games on PS4?
PS2 Classics on PS3 (EU) – TweetVitaReview Archives
PS2 Classics Manager/Placeholder PS2 emulator For Ps3 CFW With Links - YouTube
PS3Xploit Tools v3.0 Demo for PS3 SuperSlim / 3K and Resigner Code | Page 15 | PSXHAX - PSXHACKS