If you have cloud sync enabled, WebCatalog syncs the following data across devices with the cloud:
Apps and games you've installed (including custom apps)
Spaces you've installed
App settings (syncable settings are indicated by the cloud ☁️ icon)
Space settings (syncable settings are indicated by the cloud ☁️ icon)
Subspace settings (syncable settings are indicated by the cloud ☁️ icon)