Looks like the PS1 games are starting to be listed. From Singapore PS store : r/PlayStationPlus
PlayStation Store | Search | ps1 emulated
Best PS1 games to play on the new PlayStation Plus today | Trusted Reviews
PlayStation Plus Game Catalog lineup for February: Horizon Forbidden West, The Quarry, Resident Evil 7 biohazard and more – PlayStation.Blog
PS1 and PSP games have started appearing on the Asian PlayStation Store | VGC
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PS1 and PSP games get new emulation features on PlayStation 5 - Polygon
New PS1 Classics Can Be Bought Off the PS Store | Push Square
PS Plus – PS1 Classics Overview and Analysis | Qualbert
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PS4 backwards compatibility: Can You Play PS1, PS2, and PS3 Games on PS4?
PlayStation Plus Monthly Games and Game Catalog lineup for September revealed – PlayStation.Blog
How to Save PS1 Games on PS3: 6 Steps (with Pictures) - wikiHow
Dino Crisis coming to PlayStation Plus Classics Catalog, PlayStation Store banner suggests - Gematsu
Every PSone CLASSICS game on the PlayStation Store (NA) - YouTube
Every PSone CLASSICS game on the PlayStation Store (EU) - YouTube
PS1 & PSP Games Arrive on Asian PlayStation Store for PS4 / PS5 | PSXHAX - PSXHACKS
PS Store will let you pay for new PS1 Classics outside of PS Plus
Come on, Sony: You promised us PS1 games on PS Plus, where are they all? | VG247
Users discover how to access the old PlayStation Store and buy PSP, PS3 and Vita games | VGC
