Here is where we enter the grey market. NSP (Nintendo Submission Package) is the native, digitally signed file format for the Nintendo Switch. Finding an “NSP” outside of Nintendo’s official eShop implies one thing: circumvention. This is not a physical cartridge dump (XCI), but a digital installation file, often used with custom firmware (like Atmosphere) or emulators (like Ryujinx or Yuzu). The inclusion of “NSP” transforms the query from a simple request for information into a request for a tool of liberation. The user is saying, “I want to own this software in a way that Nintendo cannot revoke, update, or remotely disable.”