The commands in the duel are really simple, since there are only a few: In magic and traps:
"Up" is activated, "Down" is Sete.
In Monsters:
"Up" is called, "Down" is Sete.
When chaining something, or you "question" if you have something appear in response to something this:
Left is "yes," right is "no"
If the game did not leave no letter at the start and close it by editing the deck, download this font: mediafire.com n7wl7u87jtf9neh install in: C:\WINDOWS\Fonts