I do most of my playing on the train home from work, and I've found that https://donbet-uk.com works a treat on my mobile. No annoying lag or games crashing halfway through a spin, which I’ve experienced far too often on other sites.

It’s a very polished platform that makes it easy to just jump in and have a go whenever you’ve got a spare ten minutes. The interface is clean and doesn't feel cluttered at all. For those of you who prefer playing on the go, I can't recommend this one enough.