Yes, for legitimate owners of the game, all software updates for Dr. Kawashima's Brain Training are . If you have an active internet connection, your Switch will typically prompt you to download the latest version automatically. How to Install the Latest Update
The "free" aspect is the pivot point. It represents a disconnect between the value the developers place on their work and the perceived value by the consumer. In the piracy community, the "update" is often valued higher than the base game. A game without its patches is considered "broken" or "incomplete." Therefore, the pirate does not just steal the game; they demand the ongoing labor of the developers—patch support, bug fixes, and feature additions—be delivered without cost.
To understand the phenomenon, one must understand the terminology. "NSP" stands for . It is the file format used by the Nintendo Switch operating system for digital downloads. Unlike the cartridge (ROM) dumps of the past, NSP files are essentially digital clones of the games found on the eShop.
And with its free availability, there's no reason not to give it a try. So, what are you waiting for? Download Dr. Kawashima's Brain Training today and start training your brain!