Since it is built from the ground up for the PSP, it runs natively but lacks the full content, all the bosses, and the high-resolution art of the original game. Technical Limitations
: An unofficial but functional Android port exists, which can be played on most modern smartphones with controller support. hollow knight psp iso portable
If you search Google and find a file claiming to be "Hollow Knight PSP ISO," Since it is built from the ground up
So when you see a “PSP ISO,” what you’re actually seeing is one of three things: all the bosses