This is a smart garage door app. The app is working with the smart garage controller hardware, to open/close the garage door by iPhone. The App has 3 pages which screenshots shown above. The description about the 3 pages (features) of the App: 1. Home page: Show the icons that the user activated smart garage controller (hardware) on the setting page. There is blank if there is not any activated smart garage controller (hardware). For user, click the icon (door on the page), the smart garage controller opens or closes the garage door through garage opener. 2. Setting page: The user has to activate the controller (hardware) firstly by clicking the "Activating New gLink" before use it. After activating, the QR code will be created on setting page about the Hardware information (that is for other users to use for registering to hardware ), and the Door Icon is created on Home Page. The other user want to use this controller, will use new iPhone to click "Scan QR code" on the setting page near the hardware to Scan this QR code, then the user info can be stored in hardware, and then the new QR code (hardware info) shown on the setting page and the Door Icon on the home page created. Then, the user can open or close the garage door by clicking the Door Icon on Home Page. 3. Info page: It's the information about how to install the smart garage door controller (hardware) and how to download the App. The communication between the smart garage controller (hardware) and iPhone is by Bluetooth Low Energy. Please see the demo video about how it works.