【實用娛樂app】Gramercy|最夯免費app-綠色工廠好玩App

Gramercy application is specially designed for iPad . It transforms your iPad into a Video Doorphone Panel - allowing you to communicate with visitors, guards and concierge.App features:Answer Video Call Made From Visitor PanelAnswer call from Guard Unit/ConciergeUnlocking Main Entrance to EstateRequirement:Gramercy hardware installationiPad with iOS 5.0 or above