The operator runs the casino site and handles accounts, payments and access....
https://wiki-velo.win/index.php/Why_Do_Some_Slot_Symbols_Look_Blurry_on_Mobile%3F
The operator runs the casino site and handles accounts, payments and access. The provider makes the slot. Provider names help you identify who created a game and compare titles in the catalogue. Visuals and sound can vary, but do not change its rules.