Learn to Build Apps for Google Glass within just 3 hours

ou don't need Google Glass for this course. You can build and publish Google Glass apps without Google Glass. For testing you can use Google Glass Emulator

The Glass Development Kit (GDK) is an add-on to the Android SDK that lets you build Glassware that runs directly on Glass.

When developing Glassware, the best practice is to develop with the Glass Development Kit. This allows you to access low-level hardware features and create robust experiences in a familiar Android environment.

The Glass Development Kit

The Glass Development Kit (GDK) is an add-on to the Android SDK that lets you build Glassware that runs directly on Glass. Use the GDK to take advantage of the following features:

Real-time User Interaction
Offline Functionality
Access to Hardware
Google designed the Glass platform to make the existing Android SDK just work on Glass. This lets you code in a familiar environment, but for a uniquely novel device.