Here is another Google Glass like device you can wear to get information on the go. The LASTER SeeThru shows information about your surroundings without disrupting your field of vision. If you have tried augmented reality apps, you should know what to expect here. This wireless augmented reality eyewear uses your smartphone as its main processor. It is a Bluetooth device with apps.
You can use this as AR GPS, HUD, and more. Lets you use your phone hands-free. The developers are making a SDK available for Android based smartphones & tablets. The project is on Kickstarter right now.