The world has adopted a mobile-first mentality when it comes to everything on the internet, including casinos. So, it was only a matter of time before payment methods at a casino caught up and let you pay with something like your phone bill. In fact, services exist now to make that happen, services like Boku. Casinos in the UK will sometimes allow players to make deposits in this way. We’ve got a list mobile casinos below that accept Boku.