For 99% of players, the smarter choice is to enjoy the many official cozy simulation games available on the Switch eShop today. But for the dedicated homebrew enthusiast and game preservationist, understanding how to handle NSPs and RAR archives is a valuable technical skill—just remember to stay safe, respect intellectual property, and always scan before you extract.
: The number of items you can place in MySims has been increased by 50% for exteriors, furniture, and interiors. Technical Improvements MySims -NSP--eShop-.rar