I don't know how to change themes / text / icons on all screens simultaneously by clicking a button

I want the color to change on all screens when I click the button

Hi sherbakovyt2,
You could pass the theme value with this block when you switch screen,
immagine

ThemesSample (1).aia (5,5 КБ)

I just see you when changing screen use that
blocks (11)

Hi! @sherbakovyt2
Here is your full theme control app.
ThemesSample2.aia (7.3 KB)

Thank you very mach br0