Here’s some interesting content regarding for Nintendo Switch , specifically focused on the NSP and update scene (useful for emulation, custom firmware, or backup purposes).
Cardfight!! Vanguard EX : The Definitive Switch NSP Update Guide
This guide explains updating a Nintendo Switch NSP of Cardfight!! Vanguard EX (digital game file). It covers updating methods, file/patch types, step-by-step procedures, and safety/compatibility notes. Assumes you have a modded/homebrewed Switch set up to run NSPs (no guidance on modding or bypassing DRM).