tl;dr – We don't share your personal data and only store the very essential.
We try to collect as little as possible personal data from you. All of the data we do collect, is to make our game work as best as possible. We don't make money from ads (in fact, we don't make any money at all), so you don't have to worry about your data being collected to serve you the "most personal" ads or whatever. We also don't sell your data, ever. People selling other people's data are bad. We try not to be bad.