After using the Theme Editor to create your Theme app (wallpaper, theme, icon pack, or always-on display [AOD]), register it in Samsung Seller Office. After completing registration, submit your Theme app for validation certification by Samsung. If your Theme app passes, it is distributed in the Galaxy Themes section of the Galaxy Store as a free or paid app. Manage Theme app distribution and your finances through the Samsung Seller Office.
For details, see How to Register Your Theme App.