Tools like NSC Builder can be used to merge these into a single file.
: On a modded Nintendo Switch, .nsp files are typically installed using homebrew applications like Tinfoil or DBI . You can transfer the files via USB or by placing them in an "NSP" folder on your SD card. Practical Tips for Pixel Art Pixel Paint (NSP)(eShop).rar
If you find multiple .nsp files, they may be split parts of the main game or separate files for the base game, updates, and DLC. Tools like NSC Builder can be used to