Not yet decided, but so far there are several options. The only thing that mining is not as simple as it seems. Thanks to the experience and advice I decided to go in a simple and at the same time practical way, so I buy reliably and profitably at https://btcbit.net/. I am also interested in...
I will take advantage of the offer from http://www.enngenie.com/Custom-Mobile-Game-Development, as they are more responsive to this and will do everything in the best possible way. Yes, you yourself look at the examples and implementation.