The system was called MSX, the first-ever standardized home computer platform. By standardization, it meant that any manufacturer that wished to build MSX-compatible computers, could do so.
https://www.afterdawn.com/news/article.cfm/2020/09/18/super-mario-arrives-to-msx
https://www.afterdawn.com/news/article.cfm/2020/09/18/super-mario-arrives-to-msx