Installing an NSP or using Custom Firmware (CFW) while connected to the internet carries a 100% risk of a permanent console ban from Nintendo's online services, including the eShop and multiplayer. Technical Context of NSP Files
The Switch version runs at 30 FPS with occasional dips in heavily decorated valleys. Load times are longer than PC/PS5/Xbox, but post-update patches have smoothed out early stuttering. Disney Dreamlight Valley Switch NSP Free Download