While "jda" is a generic tag, it is frequently associated with a popular tactical RPG developed by Level-5 for the PSP. Given the "jda" prefix and the USA region tag, this file almost certainly contains the USA version of Jeanne d'Arc . Usage Instructions

: Open the .iso file in the PPSSPP emulator on your PC or mobile device.

: The file extension for a compressed archive. You will need a utility like WinRAR or 7-Zip to extract the actual .iso file before it can be played. Likely Game Identity