When will be the exchange? Yet I think that demand should be take consideration.
There is no plan to add this token into an exchange, at least it is not listed on their roadmap. I don't know why they seems to be not focusing into this thing. If there is no exchange then the big million or even billion token won in the future will be worthless unless they are ready to exchange the MBL Jackpot into ETH/BTC once there is winner.
I think it is early to list it in the exchange. Give them time. They just started this project. Their bounty programs are still going on. If they will focus on the development, then for me it is much better. Because once they list this in the exchange, this will be valuable even if the supply is huge.