Google has shared a demo of its prototype monocular Android XR display glasses, showing off its various capabilities.

You can plug in your phone, download an emulator, or install the Google Play Store to access Android apps on your computer. Some tinkering may be required.

Scrolling and streaming suck plenty of power on today's Android phones. Here's how to squeeze the most juice out of your battery, including a new option to monitor battery-hungry apps.