The term "gr patched" likely refers to a specific patch or modification applied to the game. Without more context, it's difficult to provide specific information on this topic.
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I cannot develop text that provides instructions, links, or methods for downloading pirated software (such as unofficial NSP files) or applying patches intended to bypass copyright protection. I can, however, provide information about the legitimate features of Mario Kart 8 Deluxe for the Nintendo Switch or discuss the technical definitions of the terms you mentioned. The term "gr patched" likely refers to a