Potential users might be interested in how the game works without motion controls if using a keyboard, or if there's a dance platform requirement. Maybe note if the game supports Joy-Con only or needs the Pro Controller.

Also, check if the NSP version is compatible with future Switch firmware updates. Sometimes, games might stop working after updates, so that's worth mentioning.

I should structure the write-up into sections. Start with an introduction to the game, then a breakdown of the NSP file specifics, technical installation steps, legal notes, content highlights, and a conclusion. Make sure the tone is informative but also cautions against piracy. Maybe include tips for getting the NSP file only after purchasing the game legally.

Also, check the authenticity of the NSP. If someone creates a modified version, that's a no-go. Emphasize that the NSP should exactly match the official game to avoid issues. Maybe mention checking size and hash sums to verify.

Content-wise, highlight the new tracks, maybe mention if there are 100+ songs, new avatars, challenges, or special features like multiplayer modes. If there are new dance styles or difficulty levels, that's good info.