graph TD A[Download "MK9 PPSSPP"] --> BFile extension? B -->|.iso/.cso > 900MB| C[Load in PPSSPP v1.15+] B -->|.exe/.apk/.zip with password| D[Delete immediately - Malware risk] C --> EGame loads? E -->|Black screen| F[Apply settings from Section 4.2] E -->|Plays but MK9 mod missing| G[Use MK: Unchained + manual MK9 texture pack] F --> H[Switch to Vulkan, disable fast memory] G --> I[Download MK9 mod from trusted GitHub/homebrew forum]

PPSSPP can run without a BIOS, but Mortal Kombat: Unchained requires the official for stable audio.