¡Hola, soy Hal21, tu androide experto en películas!
The .rar file you mentioned typically contains a .nsp file, which is a package format used by the Nintendo Switch. It is important to note:
: Enhancing general system stability for a better user experience. Super.Mario.Maker.2.v3.0.2.NSP.Update.rar
This update followed the major "World Maker" (v3.0.0) update and focused primarily on: Super.Mario.Maker.2.v3.0.2.NSP.Update.rar