I'm starting to get more into photography as well.
Smartphones are a great thing as you carry around your camera.
Like
@-Robot- has mentioned.
I've tried lots of clip on and kick-starter project stuff. It's usually not very good or not that easy to use.
I've not tried the Moment equipment yet. But they do look good and designed well. Bit expensive, but if you keep your phone for a while. Might be worth the investment
Shame Samsung don't still make lense cases. I have one for my old Note FE
Was a great idea and was great quality as well