Do you pay attention to the online casino provider? Or do you just choose games randomly?
I personally look at the provider lately, clicking random games is usually a fast way to lose money. For me it’s mostly about the game actually working right. If it's a known studio like Iconic21, at least you know the stream won't freeze mid-round and the mobile app won't crash when you're betting. With some no-name studios, the buttons just feel laggy, so I usually stick to names I've seen before and save myself the headache.