Switch Online’s Game Boy library is slightly different in Japan

Earlier this week, Nintendo launched the long-established Game Boy, Game Boy Color, and Game Boy Advance Switch Online libraries. As usual, Japan’s offerings seem to be slightly different.
In the Japanese versions of these apps, the Game Boy app has been replaced. Alone in the Dark: New Nightmare with 1989 release Yakuman (Mahjong). The name was originally the launch name of the system and was never made available outside of Japan.

It seems unlikely that it will make it to the Western version of the app given its history, so you’ll need access to a Japanese account in order to download the Japanese app. In addition to Yakuman, other games for the Game Boy and Game Boy Advance services will be released in Japan in the near future.
A 1992 role-playing game released in Japan only. Kaeru no Tame ni Kane wa Naru (The frog for which the bell tolls) has been confirmed for the Game Boy, and there will be not one, but two Fire Emblem games for the GBA – The Blazing Blade and Binding Blade (another exclusive for Japan).
Other than that, everything else in the starting lineup is the same as in the west. You can see what we’ve done with the following link: