After the PS Vita version the official PlayStation 4 version of the Sengoku Shura SOUL will be available from October 27, 2016.
This game is a free to play title which is available at the moment only in Japan from the Japan PSN. The game going to includes 300 different characters, using 3D graphics and if you pre-register for the PS4 version of the game you will get an extra 4 starts rare character: Shimazu Toyohisa.
You can find the game’s PSN page in here:

The pre-registration event going to runs until October 27, 2016 so if you want the extra warlord character be fast and register now!