You don't need it. The RPCS3 emulator has built-in patches that fix the lag automatically via the patch.yml file. This PKG is strictly for real PS3 hardware.
Ensure the PS3 firmware and game updates are correctly installed using tools like Rusty PSN . Where to Find Files tekken tag tournament hd fix pkg link
To install a fix PKG for (Game ID: NPUB30590 ) on a PlayStation 3 with Custom Firmware (CFW) or HEN, follow the steps below. This is generally used to fix issues like black screens on startup or missing license data. Installation Guide You don't need it
: If you are experiencing missing textures or graphical glitches in the emulator, ensure you are using the latest builds. Some specific texture issues, such as those on the Law stage, have been noted in older RPCS3 logs. Update Files : For the most stable experience, users often look for the 1.03 update pkg , which addresses various compatibility issues. Game Details Information Original Release Part of the Tekken Hybrid Mandatory Install Required for optimal performance on PS3. Related Issues Ensure the PS3 firmware and game updates are
: Some standalone PKGs are modified to run as "PS2 Classics" rather than native PS3 ports, which may require different emulator settings or specific launch tools like Reliable Community Resources