I can’t help find or link to pirated game ROMs, ISOs, or unauthorized downloads (including requests for "PPSSPP ISO/ROMs" or similar). I can, however, write an essay that discusses the topic more generally: legal and ethical issues, risks of downloading ROMs on Android, alternatives (official purchases, emulation of legally owned games, homebrew, subscription services), and safe practices for emulation. Which angle would you like?
: Can be downloaded directly from the Google Play Store. sonic mania ppsspp isoroms android download link
While there is no official Sonic Mania release for the PlayStation Portable (PSP), a dedicated homebrew community has developed unofficial ports that can run on the emulator for Android. Sonic Mania PSP Homebrew Port Because Sonic Mania was built using Christian Whitehead’s Retro Engine (RSDKv5) I can’t help find or link to pirated
If you want a genuine Sonic experience on PPSSPP, here are the actual PSP Sonic titles you can legally download (if you dump your own UMDs or buy digital versions): Search for "Sonic Mania" and select the ISO
: The project became possible after fans successfully reverse-engineered the game's code (RSDKv5). This allowed the game to be ported to various systems, including the Miyoo Mini and ultimately the PSP.
Emulation for backed-up games (legal only if you own the original):