I tried the DAPP on testnet, it is very interesting as currently there're a lot of predictions for Olympic games. Users can obtain 100 testcoins every 24 hours in the telegram group: https://t.me/XPredictMarket and follow the rules accordingly.
I see they are also establishing different partnership with other good projects recently.
Besides, what impressed me most is their new initiatives called FPMM for their predictions. That is used to make sure every vote of the predictions have a stable See full review