you can sync it with your Switch. You'll then be able to use it on its own. Select "Controllers" and choose "Change Grip/Order." Press both the R and ZR buttons (or L and ZL) and you should see ...

Turn on the game and wait until you see the first profile of a fighter. On Controller 2, hold the L and R Buttons for as long as you would like to look at the profiles. Not really a cheat but a ...