Your ICO definitely sound different and potentially interesting. However, for now you don't have some key things, like a website, whitepaper, listed team, roadmap, ICO details etc. You also need to be present in social networks and post updates there. Also, it's really hard to understand how the game works even with the explanations you provided. I think that you need to make an animated video that will show how the infinite chance system works.
It is high if it bets in favour of the casino, but this is not the case here, I believe. Players only play against each other and there's no house edge in this sense. However, the casino charges 5% from all of the transactions which is how it get profits.