Super Mario Land is a 1989 platform game developed and published by Nintendo for the Game Boy, as one of four launch titles for the console. It was first released in Japan in April 1989, followed by North America in July of that year, and Europe and Australia in 1990. It is the first handheld entry in the Super Mario series, as well as the first mainline title not designed by series creator Shigeru Miyamoto. Modeled after the original Super Mario Bros.
https://en.wikipedia.org/wiki/Super_Mario_Land