It sounds like you're looking for Minecraft: Nintendo Switch Edition — specifically the format (used for digital installation on hacked/modded consoles or emulators like Yuzu/Ryujinx).
Since this version is no longer for sale, players seeking the original experience—complete with its exclusive mini-games and distinct performance—often look for its NSP file to install on consoles running custom firmware (CFW). Key Features vs. Bedrock Edition minecraft nintendo switch edition nsp
However, — that would violate copyright and platform policies. It sounds like you're looking for Minecraft: Nintendo
: This specific edition is no longer for sale on the Nintendo eShop . Only users who purchased it prior to June 2018 can legally re-download it. minecraft nintendo switch edition nsp