: This is the file format (Nintendo Submission Package). It is the standard format used for digital games and updates on the Switch.
To actually play the game or apply the update, you generally need one of the following setups: SMURFKART-(USA)-NSwTcH-NSP-Update1010-Ziperto.rar
: This indicates the file contains the "v1.0.1" update for the game, rather than just the base game. : This is the file format (Nintendo Submission Package)
: You would use a custom firmware (CFW) like Atmosphère and an installer (such as Tinfoil or DBI) to install the .nsp file onto your console. : You would use a custom firmware (CFW)
This specific file is a compressed package typically found on emulation or homebrew sites. 1. File Breakdown
: This indicates the North American region version of the game. NSwTcH : Shorthand for "Nintendo Switch."
: The game is Smurfs Kart , a kart racing game featuring characters from the Smurfs franchise.