The new building will be a cider house and it will be available to use after the event!
Minimum level is 17 and it's iOS only. However, Android will have access to some of the content - just not the quests or a few of the items. Some limited time content will be removed after the event.
Grape vine gives 1 grape every 2 hours. The gilded grapevine gives 1 grape every 2 hours and are permanent. (Rynetory2)
Thank you for sharing the next step shedenh
Thank you for sharing the next two steps noemata!