Creating more utility for BFG token will make it more interesting and result in new demand on the token. If they succeed in adding new utility, supply and demand principle will show its effect on BFG token very soon.
It must be considered carefully with effects on Betfurry business but buy back and burn program is one of potential choices. Stake is one of utility, and other utilities can be attached with given features for users on Betfurry casino bit it takes time for development, testing feature and security test as well as tokenomics and potential effects on their business money flow and treasury too.
Yes, they need to give incentives to the gamblers who prefer to use BFG over other cryptocurrencies for gambling. If you start giving free spins, deposit bonuses, and other stuff for using BFG, the value of this token will increase. It could be like Example: "Deposit 100 BFG, get 120 BFG to play!", giving 20% extra amount to gamble will be enough to generate a demand for it. Staking BFG can be another good option for those seeking passive income. They can even offer token burn from casino profit to reduce the supply.