Mobile-first casinos like mrQ make playing slots on your phone easy and fun....

https://wiki-book.win/index.php/Why_Do_Some_Casinos_Force_an_App_Download_for_Mobile_Play%3F

Mobile-first casinos like mrQ make playing slots on your phone easy and fun. Games load faster so you can jump right into the action, and touch-friendly menus mean you can navigate without frustration