Roms Nintendo Switch Con Magia Espa%c3%b1ol [ Fast · BUNDLE ]
This would be a dedicated homebrew application or an overlay (via Tesla Menu) that automates the application of Spanish fan-translations and regional voice patches to games that don't officially support them.
In Nintendo Switch hacking communities (especially Spanish-speaking ones), is often slang for: roms nintendo switch con magia espa%C3%B1ol