You must consider reducing the minimum bet amount into 0.002 or 0.001 bitcoin or even lesser to attract many gamblers possible.
Actually minimum bet size is 0.01 m
BTC not 0.01
BTC that mean it is already lower than 0.001.
0.01 m
BTC = 0.00001
BTC 
@OP congratulations and good luck for your gambling platform, hope we will see several attractive contest for your platform. But why you have listed all japan based bitcoin exchange platform in footer area? Are you based or this casino based in japan

We aim Japanese market because a famous online casino (by real money) was closed in last year.