Gaming converting a gateway save to a 3ds cartridge save

[DarkShinigami]

if this is in the wrong location please relocate it.

so i downloaded stella glow from a site most of us know but then bought it. im not too far in but i wanna put the gateway save to the cartridge if possible.

is there a way?

 

[AutumnWolf]

Try using save_manager(?)
(Homebrew)