Nintendo has updated the Nintendo Switch Online Famicom app to support Chinese today.
The latest version 2.4.0 update adds Simplified Chinese and Traditional Chinese localization for the menu and game instructions. The games, however, remain in Japanese. Please take note that the Chinese support does not apply to Nintendo Switch Online: Nintendo Entertainment System.
Have a look at some screenshots below:
Nintendo Switch Online: Family Computer now comes with S. Chinese and T. Chinese menus and game instructions!
*Requires update Ver. 2.4.0 pic.twitter.com/iAKnnOOgmx
— Chinese Nintendo (@chinesenintendo) April 10, 2019