Why is there no GTA for the mobile phone Fortnite is also available for the mobile phone?

Why is there no GTA for the mobile phone Fortnite is also available for the mobile phone?

Why is there no GTA for mobile phones?

There's, e.g. San Andreas

Yes, but that's right

Because the game is too demanding for that, of course you can compress things, but at some point the game is no longer fun.

It already exists, so San Andreas.

Otherwise there are already other imitations, GTA 5 on cell phone could also be implemented on cell phone only slightly cheaply. The game is otherwise too demanding for that. But that goes badly and you would quickly lose interest in the game because it is so boring xD

Fortnite isn't that very demanding