It looks like PS4 Parappa Remastered is the PSP game running under

Would you believe that the PlayStation 4 remaster of Parappa the Rapper is actually the PSP version running under emula…

PaRappa The Rapper 2, PaRappa The Rapper Wiki

Parappa The Rapper Remastered releases on March, 28th : r/Games

Got my PSP fixed, knew that there was a game I needed to replay with some IEMs : r/headphones

PaRappa the Rapper 2 (PS4): COMPLETED! – deKay's Lofi Gaming

PS4 Parappa Is Running On A PSP Emulator, Hackers Discover

PSP) PaRappa the Rapper review – kresnik258gaming

We're So Happy Parappa The Rapper Is Back To Frustrate Us

Parappa The Rapper Remastered releases on March, 28th : r/Games

PaRappa the Rapper Remastered launches April 20 in Japan - Gematsu

New Parappa the Rapper JPN Playstation 4 Japanese Import PS4 Japan JP US Seller

Just got this PSP for free, never used one before so I'd love some game recommendations! I'm really into the horror genre atm and I love rhythm games :D : r/PSP

Review: PaRappa the Rapper Remastered – Destructoid

PaRappa the Rapper 2 (PS4): COMPLETED! – deKay's Lofi Gaming

Trade In Parappa the Rapper - PlayStation

PaRappa The Rapper (Video Game), PaRappa The Rapper Wiki