I dont like gambling things. This is totally wastage of time and money. I dont think such gambling games are out of the box. I am not really into it but Mining coins is my all time favorite thing to do. But I couldnt able to Mine my favorite coins on the go due to various reasons.
I am happy that does the work for Mining. But they are charging money for that so I would go to buy my own mining system rather than using their service. Though its a nice hunting