I welcome all lightning implementations, especially the ones that allow people to try out the lightning network without huge investments.
This being said: I can't find any information about wether or not your game is provably fair, is it correct to assume it isn't?
I have been looking at provably fair, and would love to implement it, but I have not done that yet.
It's not that easy with slot machines, as with for example a roll of dice or roulette.
The casino edge is 3-5%, but I guess you just have to trust me on that.