You can find the " Car Jack Streets " PSP Mini content through digital preservation archives. While the original PlayStation Store for PSP has been largely retired, the game is available in community-maintained collections.
You can browse the pspminis directory listing on Internet Archive to find the game file. These are typically stored in .iso or .cso formats for use with PSP hardware or emulators like PPSSPP. Download Car Jack Streets (minis) cso
Are you looking to play this on or through an emulator like PPSSPP? pspminis directory listing - Internet Archive You can find the " Car Jack Streets
If you find the file in .iso format and specifically need a .cso (compressed) version to save space on your memory stick, you can use a tool like UMDGen or maxcso to convert it. Download Car Jack Streets (minis) cso