If you have searched for you are likely not a casual retail user. You are a power user looking for a specific, stable, post-update version of the game that bypasses certain technical hurdles—specifically, the infamous "black screen after boot" or "software closed due to an error" messages.
The game uses a unique middleware renderer not found in other Lego titles. When the Switch OS tries to call a specific crypto function that was modified in a newer update, the base NSP (1.0.0) fails to initialize the GPU. lego city undercover switch nsp update patched
A: Partially. PC emulators have different requirements. The "patched" update is specifically for Switch hardware CFW. On Yuzu, you need a different keys file. If you have searched for you are likely