How do mobile slot machines earn money?

Question

Mobile development

How do slot machines earn on mobile devices and websites?
Apart from advertising, of course.
The player replenishes the balance of the game and just lowers it for the sake of whistles of fakes in the game?
He can’t make money on this and withdraw money?

Answer 1

If we are talking about the AppStore/GooglePlay, then the main audience of mobile slots is American housewives 40+. They replenish the account to stupidly twist and test their luck, yes.

Answer 2

can
work in the same way as physical machines in fact