Yes, with two short folding feet, approx. 2 cm.

Contact the support team, I'm sure they can help.

I can confirm this, it is a "decent" stroke, so I can comfortably write blind with my ten fingers.

ANSI is the US standard with small Enter key. ISO is the EU standard with big Enter key. See here: https://switchandclick.com/ansi-vs-iso-layout/

Yes, no problem

A CH layout is QWERTY with umlauts and accents as you are used to. Do not be deceived by the product images. These are often only produced by the manufacturer as a US layout. However, the specifications are authoritative.

Please contact our customer service team so that we can look into your request. You can find our contact form here: https://www.galaxus.ch/help

It's been a long time, but I think so, they are made contactless by a paper strip that you pull out.