He injected the NSP into his modded Switch and booted it up.
Searching for a " Disney Dreamlight Valley NSP" typically refers to finding and installing the Nintendo Switch package file (NSP) for the game, often for use on custom firmware.
The NSP version of Disney Dreamlight Valley is specifically designed for the Nintendo Switch console. The game is optimized for the Switch's hardware, offering a seamless and enjoyable gaming experience. The NSP version also includes all the features and content available in the base game, including online multiplayer and cloud saves.