Naili Studio, directed by David Amado Fernández.
The .rar extension means the NSP file has been compressed to save space or facilitate sharing. You will need a utility like WinRAR or 7-Zip to extract the actual game file. Availability and Legality Go to product viewer dialog for this item. Roller Katz BF: Episode 1 Roller Katz BF Episode 1 (NSP)(eShop).rar
This is the native format for eShop titles. While legitimate owners can back up their own software, these files are frequently found on community forums like r/SwitchPirates for use with custom firmware. Naili Studio, directed by David Amado Fernández