Hi there,
I think the design is a little basic to be honest. If I was you I would put much more emphasis into the branding and not just use a fancy font in front of a generic casino background.
On a side note, do you actually get real players using these casinos powered by 3rd parties? Sticking with the being honest theme, I wouldn’t dream of putting any of my money into a casino which looked like that; not when there are so many reputable brands out there.
John