Apparently broken on this cheap tablet. I think it has something to do with support for the bonjour/mdns libraries not being available? I have one other app that uses bonjour, and it can't find anything either (which is, of course, why I put ZeroConf Browser on it
Works great on all my other Android devices, and this is my first 4.0 device.
Is there a way to tell if support for the libraries you need is missing?