A casino operator runs the site, manages accounts and lists games. A slot...

https://raymondssuperblogs.brightsora.com/posts/does-nice-artwork-mean-a-slot-is-certified-or-fair

A casino operator runs the site, manages accounts and lists games. A slot provider creates the games. Provider names show who made each title and help you compare catalogs. Visuals and sound may vary, but they do not change the game rules.