Questions about Sp Connect Universal Phone Clamp SPC+

So I need another part to attach the bracket to my bike handlebars. Or is the mount included? If not, what else would I need to attach the mobile to a normal bike handlebar?

I already have a bracket with straight and not curved stems. If I take a phone case with a curved attachment, is it compatible?

We have a question the damn part does not turn. Mobile phone cover adhesive part torn off. Tried to fix it with pliers but no wank. But lots of scratches!!! Mess. Can anyone help me?

Is that just the case for the mobile and then you need a stand? I would like the holder for my scooter, where the handlebars are very wide, does the sp connect adhesive fit?

Does the clamp have a larger span than the one supplied here (https://www.galaxus.ch/de/s1/product/sp-connect-bike-bundle-ii-phone-clamp-smartphone-halterung-16089617?supplier=406802)? or better asked, does an S23 Ultra fit in it?

Is this bracket with the rounded or straight attachment? All the ones in the pictures have rounded I need straight. Which one fits with the straight?

How about if my mobile has a case (height 10mm so within the specified max height), will it hold? I have a Samsung Galaxy s10.