Yet another official emulator found on the PS4, this time for PSP (Patapon remaster, which turned out to be emulation with a 4K texture pack) : r/ emulation
How to Play PSP Games on a Jailbroken PS4 with PS4 PSP Classics GUI - YouTube
Pro PS4 Emulator APK - Download (Android App)
Top 5 PlayStation 4 (PS4) Emulators for Windows & MAC
New PS4 Emulator on android 2022 |How to play ps4 games on android - YouTube
PSP Emulator Pro (Free Premium Game PS2 PS3 PS4) Apk Download for Android- Latest version 2.2.3- ppsspp.psp.free.premuim.game.emulator
Rocket PSP Emulator for PSP Games - Apps on Google Play