Yes, it's called "Free McBoot" and also includes a related variant to be install...

LocalH on April 26, 2020 | parent | context | favorite | on: SmileBASIC 4 for Nintendo Switch

Yes, it's called "Free McBoot" and also includes a related variant to be installed on internal HDDs called "Free HD Boot". The system architecture may be a bit quirky, but it's nonetheless more capable than the raw numbers might indicate.