: Access it from the Game menu on your PSP's XMB (main interface).
The PSP was never officially slated to receive a Minecraft port. By the time Minecraft exploded in popularity, the PSP’s hardware—specifically its 333MHz processor and limited RAM—was considered legacy technology. However, the homebrew community refused to accept this. Developers began crafting "clones" or "ports" from scratch, using C++ and the GE (Graphic Engine) of the PSP to mimic the blocky aesthetic and sandbox mechanics of Mojang’s masterpiece. minecraft psp 3.2.1 fat.zip