The file string refers to a version 1.2.1 Nintendo Switch NSP update for Taiko no Tatsujin: Rhythm Festival (USA), sourced from the third-party site Ziperto. NSP files are installer packages commonly used on modified consoles or in emulators for playing backed-up software. For information on reporting potential copyright infringements, visit the official Nintendo support website Nintendo Anti-Piracy Support Page .
How to Install NSP Files from SD card to the Nintendo Switch using Tinfoil!!! TAIKONOTRFES-(USA)-NSwTcH-NSP-Update121-Ziperto...