The fact that you use real gaming equipments appeals on legitimacy, though you should show a valid certification from a legitimate and trustworthy regulatory on your locality to operate these equipments that would be supposed to be fair.

Once you established that, and proved us that you're trustworthy, then investors might reconsider your request.

Also, the payment in tokens doesn't seem to be plausible. These gamblers want a trusted way of getting back their investment. It's better to use BTC first before migrating to your own token.