Bandai Namco has announced the Namcot Collection for Switch in Japan, launching on June 18. It is free to start with the game Wagyan Land, and additional titles will be available to purchase, with all games also included together as a physical package for 2,400 yen.
These titles included are:
Battle City
Dragon Spirit
Family Jockey
Galaga
Mendel Palace
Pac-Man
Splatterhouse: Wanpaku Graffiti
Star Luster
The Tower of Druaga
Wagyan Land
Yokai Dochuki
In addition, I would like to add that there is an active Nintendo retrogaming Facebook community group you can join at https://www.facebook.com/groups/nintendoretrogamers/
For more, visit Retro Gamers Hub (www.retrogamershub.com) for their extensive collection of retrogaming interest groups to choose from.