Minecraft on PSP: Not Possible Due to Hardware Limitations

You cannot run Minecraft on a PlayStation Portable (PSP).

Technical Barriers

• CPU: PSP = 333 MHz MIPS (single core). Minecraft (Java/Bedrock) requires ~1.5+ GHz ARM/x86 with multiple cores.
• RAM: PSP = 32–64 MB (shared). Minecraft needs 512 MB+ minimum.
• GPU: PSP has no programmable shaders; fixed-function vertex/texture units only. Minecraft relies on OpenGL ES 2.0+/Vulkan.
• OS: PSP runs a proprietary kernel. No Java runtime, no Bedrock port exists.

Alternatives

• Play on Supported Platforms: Phone (Bedrock), PC (Java/Bedrock), Switch, PS4/5, Xbox One/Series, Pi 4.
• PSP Homebrew "Clones": Crafti (Minecraft-like, very basic), Lamecraft (abandoned). Performance is poor; features minimal.
• Android Emulation on PSP? No. Projects like "PSP2Android" are vaporware. The hardware cannot virtualize ARMv7 + Linux kernel.

Don't risk bricking your PSP with fake "Minecraft PSP" ISOs from shady sites—they're malware vectors.