The Pixel Launcher is preparing to let you customize the shapes of home screen icons, and we have an early look at this new ...

and the icons can be copied to the home screens by dragging and dropping them to the desired location. An app drawer is also called an "app launcher" because apps can be run directly from the ...

When you pick the horizontal layout, you will find some empty icon spaces on app drawer pages, which you can fix by selecting the "Clean up pages" option.