This is the gray area. If you own a legitimate, physical, or digital copy of Garten of Banban from the eShop, dumping your own NSP for use on your own modded Switch (for backup or performance testing) is generally considered fair use under most copyright laws, provided you do not share it.
: Highlight the game icon on the HOME Menu and press the [+] button . The current version number is displayed under the title. garten of banban switch nsp update hot