|link| | Inside Switch Nsp

: Developers use NSP formats to package homebrew apps so they appear on the Switch's main home screen like standard games.

Each NCA is encrypted using with a 128-bit or 256-bit key derived from: inside switch nsp

[Header: PFS0/Superheader] | ├── [File Entry 1] - Program (ExeFS + RomFS) ├── [File Entry 2] - Control (Metadata) ├── [File Entry 3] - Logo (Icon/Application) └── [File Entry 4..N] - Other (DLC, Patch, etc.) : Developers use NSP formats to package homebrew

Inside an NSP, you won't just find one large file. It is composed of several (Nintendo Content Archive) files: | Format | Purpose | Key Difference from

Each of these is an file – a separate encrypted container inside the outer NSP.

| Format | Purpose | Key Difference from NSP | |--------|---------|--------------------------| | | eShop digital title | No cartridge-specific headers; stored as individual files on SD/NAND | | XCI | Game card (cartridge) image | Contains ROM-specific headers, often padded; can be dumped as a single raw image | | NSZ | Compressed NSP | Uses Zstandard compression; smaller size, not official Nintendo format |