According to the Playstation Blog, Samurai Shodown VI has received an official release date on Playstation 4. Samurai Shodown VI will release on November 22 as a PS2-on-PS4 title.
You can view an overview of the game down below..
In additional to the 41 characters in the arcade version, there will be extra characters including 4 EX characters joining into battles as you clear specific conditions. Heat up the battle and decide the victory with a total of 52 characters in the samurai series all-stars! You can get 3 additional spirits “Devil (魔)”, “Beast (獣)” and “Ritual (祭)” if you fulfill other specific condition. Make use of a total of 9 kinds of spirits with 6 spirits from the arcade version!