We have a demo android application (Android 4.0.3) that runs voice recognition as a service, and (continuosly) logs the results of the recognition on the view.
Every
As of XE16 it is now possible to use the SpeechRecognizer directly and get the results through the SpeechRecognitionListener.
Unfortunately this still dosen't work offline.
This feature has been recently accepted but not yet available, see https://code.google.com/p/google-glass-api/issues/detail?id=245
You can load the additional mentioned apk to get the functionality for the mean time. See Using Android Speech Recognition APIs from Google Glass