Dashclock Widget has been updated to support the daydream function on android. When setting up you are faced with the following screens .

DashClock is a replacement lock screen clock widget for Android 4.2+ phones and tablets. It also exposes additional status items called extensions. The widget comes bundled with extensions that give you instant access to:
• Your current local weather
• Missed calls and unread text messages
• Your next calendar appointment
• Unread Gmail inbox or priority inbox conversations
• Your next scheduled alarm

Now with daydream support, when you plug your charger in you can have all its functionality.