Here are a few options for a social media post or forum thread, ranging from a "hype" style to a more informative style.

Any file labeled as a "Mario Kart 8 Deluxe Mod for PPSSPP" is typically a reskinned version of a different game. Mario Kart Wii

Part 3: The "Mod" Part of Your Search – Are There PPSSPP Mods for Racing Games?

Yes, you can mod racing games on PPSSPP, just not Mario Kart 8. Here are legitimate PSP racing mods that work on Android:

"CTGP Deluxe" mod for Mario Kart 8 Deluxe is available now | GBAtemp.net - The Independent Video Game Community. GBAtemp.net "CTGP Deluxe" mod for Mario Kart 8 Deluxe is available now

However, "Mario Kart 8 Deluxe" mods for Android usually refer to running the game on Switch emulators

Supported Emulators: Titles like Sudachi, EggNS, and EDEN are frequently used for testing.