I backed out to the home menu and checked the file size. It was exactly the same. But I swear, in the corner of the menu screen, just for a microsecond, I saw a tiny violet pixel blink.
The "Super Mario Bros. Wonder-010015100B514000.nsp" file appears to be a legitimate Nintendo submission package for the game "Super Mario Bros. Wonder". Further analysis would be required to extract and examine the contents of the file in more detail. If you are not authorized to access the contents of this file, it is recommended to handle it in accordance with Nintendo's guidelines and policies. NSP - Super Mario Bros. Wonder-010015100B514000...
files (which are physical cartridge dumps), NSP files act like "installers" for the console. I backed out to the home menu and checked the file size
If you are referring to the technical side (likely due to the inclusion of the Title ID and "NSP" file format), you are likely looking for : The "Super Mario Bros
NSP - Super Mario Bros. Wonder [010015100B514000] (possibly with a version or region suffix, e.g., v0 or [v65536] )
The NSP code is likely used for various purposes, including: