Lockitron is a crowd-funded "smart" door lock that aims to let you control your home or office door lock with your smartphone. And now that Android Wear is available, some developers won't rest until every facet of their phone is tied into their watch. Thus, Wear-a-tron, which allows users to activate the unlocking function of the official Lockitron app via a Wear extension. It's available for free on the Play Store.
If you use Dropbox on your Android device and either like to live on the edge or help the company test out the latest betas, you will want to check out this post on the Dropbox forums, announcing a new public beta v188.8.131.52 with some new translations, Honeycomb improvements, new Lock Code support for the security-conscious, and other fixes. Forum replies also indicated that some sort of a folder opening bug got fixed in the process, though I am not sure what exactly that bug was in the first place.