Batsugun S-Tribute has been rated for Switch by The Game Rating and Administration Committee of Korea.
While nothing has officially been announced, the title gives the impression that this is the next entry in City Connection‘s S-Tribute series of Saturn era ports for modern hardware that has also included Cleopatra Fortune S-Tribute, Elevator Action Returns S-Tribute, Metal Black S-Tribute, and Puzzle Bobble 2X / BUST-A-MOVE 2 Arcade Edition & Puzzle Bobble 3 / BUST-A-MOVE 3 S-Tribute and Layer Section & Galactic Attack S-Tribute.
Batsugun was developed by Toaplan and was first launched for arcades in 1993 and received a Saturn port on August 30, 1996.
You can read more about the game here.