Mobile gaming has become the default for players because it simply works...

https://wiki-burner.win/index.php/Is_Mobile_Gambling_More_Risky_Because_It%E2%80%99s_Always_Accessible%3F

Mobile gaming has become the default for players because it simply works better. With over 60% of all casino sessions now originating from handsets, the friction of desktop play has largely vanished