This text provides a general overview based on your request. For specific details about the game and the update, checking the official Nintendo eShop description or the game's official website would be advisable.

The update or the game itself can be downloaded in NSP (Nintendo Submission Package) format, which is used for Switch games.

This update brings an enhancement in quality to the game. While specific details about what "extra quality" entails are not provided, it generally implies improvements in graphics, gameplay smoothness, or additional features that enhance the overall gaming experience.

Availability on eShop: The game "Evil Tonight" is now available or has been updated on the Nintendo eShop for the Nintendo Switch.

"Evil Tonight" is a game that [briefly describe the game based on known information]. The update aims to provide a better experience for players, fixing bugs, and possibly adding new content.