I got the following answer to my mail
"I wanted to let you know that your €5 forum bonus has been credited to your account. I hope you enjoy our live dealers. Please remember that there is a 35X wagering requirement before you can withdrawal these funds. If you would like to know your wager totals please email me here. There are no game restrictions, which means that you can play any of the live casino games
and have it count towards the wagering requirement."
So it seems you can play blackjack