That's actually a problem for the business model of mobile games. A consumer can - or very soon will be able to - pick up AI tools and cut out the middleman org churning out these illustrations, just like they cut out the professionals. It won't be too long before games are made that advertise "put your original characters in the game", and it won't be some complicated character creation tool - it'll be generative stuff.
There's a lot of "but wait, there's more" in what's happening around AI.
There's a lot of "but wait, there's more" in what's happening around AI.