What I can do is give you a of the official game, which released on June 27, 2024 :
Using custom firmware or unauthorized game files on your Nintendo Switch can void your warranty and may result in a console ban from Nintendo's online services. Luigi-s Mansion 2 HD Switch NSP XCI
While details about the game's release date, exact features, and availability in NSP and XCI formats are still under wraps, the gaming community remains hopeful that an official announcement from Nintendo is on the horizon. What I can do is give you a
Improved shadow mapping creates a more immersive, atmospheric environment. which released on June 27
Applications like Tinfoil, Awwild, or DBI installed on the Switch.