"Dr. Kawashima's Brain Training for Nintendo Switch NSP update now available, and it's working great! This latest version brings new exercises and features to keep your brain sharp and active. With Dr. Kawashima's guidance, you can improve your cognitive skills and have fun at the same time. Get the update now and start training your brain!"

Using DBI (the most reliable backend installer):

: It is not fully compatible with the Nintendo Switch Lite without extra Joy-Cons because many features require the IR camera and detachable controllers.

Applying updates to Dr. Kawashima’s Brain Training for Nintendo Switch