OK, redownloaded the companion and reinstalled, and did a manual connection after I figured out that automatic meant discovered. Sheesh.
So, this works on wi-fi now, but not on 3g. What is it about 3g with you guys who write vnc programs? How challenging can it be to write for a protocol that's been around for years? The browser works just fine on the phone over the 3g network as I sit here writing this. Connect to my Mac? No way. This is just stupid.