You must use the One UI Home launcher to access the icon packs from the Galaxy Themes Store, including the ones you purchased ...

Go Launcher application will bring many artistic themes and different themes for you to install on your phone. With themes on ...

But Flow Launcher also excels when it comes to customization for itself, especially in terms of visuals. There's a wide range of built-in themes right out of the gate, so you can get the look you ...