You will need a program like WinRAR or 7-Zip to extract the .nsp file from the .rar archive.
Based on the title, it refers to , a town-building and farming simulation game. LONSVILAGE : The title of the game. (USA) : The region of the game (North America). NSwTcH : Indicates the platform is Nintendo Switch. LONSVILAGE-(USA)-NSwTcH-[BASE]-NSP-Ziperto.rar
: The file format (Nintendo Submission Package), which is the standard format for installing digital games on custom firmware. You will need a program like WinRAR or 7-Zip to extract the