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.
but even other investment kinds like ico do also pay in the form of tokens . same on here , this was also a kind of investment like an ico so they also pay in tokens . but when it comes to actual play/gambling , they should be paying on a crypto depending on what they support or on what the gambler use to play thier game . i also agree on the certificate part or on the license because every offline operations will require it first so that they will be legal and no issues are going to experience soon .