Because this is a fan-made modification (ROM hack) rather than an official commercial release, there are no official academic papers or publisher reports on it. However, I have compiled a below that details the patch, its history, and its exclusive features, which serves the purpose of a reference document.
: The Wii version is region-locked to Japan. You will need a modded Wii console or the Dolphin Emulator to run it on a PC. sengoku basara 2 heroes wii english patch exclusive