Get more on your home screen: You can change the size of the screen grid on which your shortcuts and widgets sit, depending on how dense you want the home screen to be. There's also the option to apply that to icons, but it only applies to native Samsung apps.
This will let you customise the device UI colours based on your wallpaper. In this section - aside from changing wallpapers - you'll see the option for colour palette. Use Android 12 Material You: Adding customisation options at a native Android 12 level, press and hold the home screen to open the options. This area will also let you add or delete complete screens, so if you want a widgets page, this is where you go to add it. Edit your home screen: A long press on the wallpaper on any home screen lets you edit the wallpaper, themes, widgets, pages or further settings.
