Fitboxhnkowmy-(jpn)-nswtch-nsp-update101-zipert... ⇒

The string you've shared looks like a standardized filename for a . While "FITBOXHNKOWMY" isn't a standard retail title, the naming structure suggests it is likely a Japanese version of a game in the Fitness Boxing series. Filename Breakdown

Each part of the filename typically identifies a specific attribute of the digital file: Go to product viewer dialog for this item. Nintendo Fitness Boxing feat. Hatsune Miku FITBOXHNKOWMY-(JPN)-NSwTcH-NSP-Update101-Zipert...