I think he means turning card1 games to card2 games using this tool:what do you mean by that?
http://filetrip.net/dl?deY8GQks8v
It doesn't work tho...just shows invisible games in menu.
I updated my guide, so if you really wanna play/save All current games (30+ and counting EEPROM=YES) on the red button Sky3ds without risk of save corruption...check it out:
https://gbatemp.net/threads/tutoria...sky3ds-cartridges.375739/page-19#post-5221512