There is no "official" Minecraft 574. If you find a file with this name, it is almost certainly a community-patched version of Lamecraft (the most famous PSP Minecraft clone) or a texture pack injected with a specific build number to attract clicks.
: First, look into official Minecraft or PlayStation websites to see if the version you're interested in is available for download or purchase. Sometimes, classic games or special editions are re-released. minecraft psp 574 download exclusive iso
Impressive for the hardware. It features a custom engine that handles about a 4-chunk render distance. On a PSP 3000, it runs smoothly, though PSP 1000 users must limit RAM to 32MB to prevent crashes. There is no "official" Minecraft 574