Glasses / Android provide rich APIs to let your app connect and interact with other devices over Bluetooth, WiFi, USB.
- WiFi - Standard Infrastructure Client, & Adhoc modes
- IP over USB - USB tethering, glasses as USB device, connected to host
- IP over USB to Ethernet adapter - glasses as USB host
- IP over USB to 3G/4G/LTE Smartphone in tethered mode - glasses as USB host
- Bluetooth - Bluetooth 4.1, 802.11ac, GNSS (GPS/GLONASS)
For more details please refer to Android developer resources: