Create a folder named PSP/GAME on your internal storage and move the extracted .iso file there.
: If the download is in .zip , .rar , or .7z format, use an app like 7-Zip or ZArchiver to extract the .iso or .cso file. grand theft auto san andreas ppsspp highly compressed
While a highly compressed version saves space, it comes with minor drawbacks: Create a folder named PSP/GAME on your internal