These are not "PPSSPP" files but rather the actual PC version of ETS2 configured to run on Android through PC emulators like Winlator or Mobox. These require high-end devices (Snapdragon 720g or higher) and up to 25GB of storage .
The search for a Euro Truck Simulator 2 PPSSPP zip file highlights a common intersection between gaming nostalgia and the technical limitations of mobile hardware. While Euro Truck Simulator 2 (ETS2) is a titan of the simulation genre, its existence as a portable "fixed" download for the PSP emulator reveals much about the creativity and risks within the modding community. The Appeal of Portable Simulation Euro Truck Simulator 2 Ppsspp Zip File Fixed Download