Warcraft III on PSP? Not Officially. Here Are Alternatives.
Warcraft III cannot run natively on PSP. It's a PC/Mac RTS requiring x86 CPU, 512MB+ RAM, GPU with shader support—far beyond the PSP's MIPS CPU (333 MHz), 32/64 MB RAM, and fixed-function GPU.
Why Ports/Emulation Fail
No Official Port: Blizzard never released one.
x86 Emulation on PSP: Tools like DOSBox PSP or QEMU are far too slow for War3's demands (would run at ~0.5 FPS).
Source Ports: None exist for PSP architecture.
Playable Alternatives on PSP
Age of Empires: Mythologies (DS/PSP? No, DS only): Correction—not on PSP.
Heroes of Might and Magic V (PSP? No): Not on PSP.
Actual PSP Strategy Games:
Field Commander (Turn-based, Advance Wars style)
Jeanne d'Arc (Tactical RPG, Level-5)
Valkyria Chronicles II / III (Action-tactical, III fan-translated)
Final Fantasy Tactics: War of the Lions (Deep tactical)