Who told you to use the Martingale strategy when most of us already know that it is a fail way to win in gambling. I have heard many time that people have lost everything in Martingale. Good that you stopped and did not piling up the BFG token in the game and lose more.
To be fair, all strategy on gambling is destined to lose. Martingale is just a very risky strategy because it double the bet/risk whenever a bet is loss but playing with martingale is better than playing randomly with abnormal pattern. Some user loss their funds instantly became they become greedy to chase early lose that result to all in their back roll. With martingale, you can increase gradually your bet until you recover. But I’m not suggesting to use always martingale.
The key factor on all strategy to be able to win is to know when to stop. Without knowing when to stop will always end up in losing. I remember when I played slot the other day, from $37 I am able to increase it to $600+. I could have quit and enjoy the winnings but due to lack of awareness when to stop, I end up with an emptied bankroll.
I wonder when they are planning to list it on big exchanges

AFAIK, they have the plan to list on big CEX such as Binance. According to them, they are lacking some legal documents to list the token on exchange since it’s a gambling token. You will notice that only FUN token is listed on Binance that is casino utility token but they listed the token before it was acquired by Freebico.in so technically they are not a casino utility token when they are losted.
It would be a huge boost for the BFG market if they are able to list it on huge CEX specially in Binance. It will be exposed to huge number of traders that might get interested and invest on the BFG market. I hope they are able to seal the deal with Binance exchange listing BFG.