: Likely a truncated form of ".zip," indicating the file is compressed to reduce download size. Technical Context
: Indicates the regional version of the game. Digital files are often region-specific, and using the correct region ensures compatibility with your save files and base game. NSwTcH : A shorthand abbreviation for "Nintendo Switch." MIRACROTSPINX-(USA)-NSwTcH-NSP-Update10106-Zipe...
On a modified console, these are installed via homebrew tools; on emulators, they are typically added via an "Install File to NAND" option. : Likely a truncated form of "