Konami’s just released a video of how Deck Construction works as well as some Game Play. (Bonus if you like Insect Queen)

Edit: There’s now also a full Duel between Jounouchi Katsuya (Joey Wheeler) and Kujaku Mai (Mai Valentine).

Deck Construction and Game Play Video:

https://www.youtube.com/watch?v=lMLciTlEN-Y

Duel between Jounouchi (Joey) & Mai! Video