Localization explorer lets you manage your localized assets in a single window. You can access the window via
Window -> GameToolkit -> Localization -> Localization Explorer
Add a localized asset by clicking
Localization Explorer -> Create
Select an asset type from drop-down menu opened.
Give a name for the created asset. The asset created is shown in the localization explorer.
Selected localized asset can be renamed by clicking Rename button and deleted by clicking Delete button.
Built-in Duplicate (Ctrl+D), Delete (Shift+Del) and Frame Selected (F) commands works with multi-selection.
Expand the created asset and add locale (language & value pair) as many as you want by clicking + button. Also you can remove the selected locale by clicking - button through the explorer.
You can translate missing locale(s) automatically by clicking Translate By button:
Choose a language that has already translated