If you have a legally dumped backup of your own game, it can be installed on a modified Nintendo Switch using homebrew tools:
While it is a Switch-exclusive title, it can be played on PC using specific software if you have the game files:
: Tools like Ryujinx or Yuzu allow some NSP files to be played on Windows.
Are you planning to play this on a or an emulator ? TOUHOU Spell Bubble for Nintendo Switch
The specific file identifiers you mentioned typically refer to unofficial ROM or backup files. While these files are often discussed on community sites like Romslab and Ziperto , it is important to note the following:
: These are common homebrew applications used to install NSP (Nintendo Submission Package) files.
: Another frequently recommended NSP installer for community-managed Switch systems. Playing on PC