MINIMAL-currency converter MOBILE= main menu as the last item, DESKTOP=header next to cart aligned

Hello.

Trying to figure our how to adapt the code in order to have my currency converter displaying following way - differs between desktop and mobile

DESKTOP:

to have it always next to the cart icon in the header aligned.

MOBILE:

To have it placed as the last item in my main menu

anyone could help please? MOBILE is main I need help with. Thanks a lot!

This is code:

{%comment%} Currency converter Code: Don’t Delete {%endcomment%}