My thanks to Jeff, too. I also have a Nexus S, and it worked perfectly. I installed Astro on my phone, backed up the app I wanted to transfer, copied it to my computer and from there to the Vox, and installed it. I still can't access Android Market directly from my Vox, but this will do for now.
Originally Posted by taming
This will not let you install Android Market or the proprietary google apps, but I was excited when I saw that the latest version of Astro (thanks Jeff) had the backup apk function. There may be an app I can get by using that from my Nexus S backup. So far, I have what I need on the Vox.