You can play the original PS2 version using the AetherSX2 emulator on Android devices. You will need a legal backup (ISO file) of your Rumble Racing disc.
The game remains a PS2 exclusive and has not been ported to modern storefronts or legacy handhelds. Best Ways to Play Rumble Racing on the Go Download Rumble Racing Psp
If your goal is to play this specific title on a portable screen, your best options involve modern mobile hardware rather than a PSP console: You can play the original PS2 version using
On a laptop or handheld PC (like a Steam Deck), the PCSX2 emulator provides the most stable way to play in high definition. Top PSP Alternatives to Rumble Racing Best Ways to Play Rumble Racing on the
However, for fans looking to experience similar high-octane action on a handheld device, Why You Can’t Directly "Download" Rumble Racing for PSP