Could this happen on Android is a fairly cut-and-dry question. The answer is no, as in, a snowball's chance. No, nien, nyet, non. Why it can't happen on Android still only hints at the bigger problem.

We care deeply about your privacy and about creating a trusted place for you to share life with your close friends and family. As we continue to expand and grow we will make some mistakes along the way. We commit to you that we will continue to be transparent and always serve you, our users, first.

Developer Arun Thampi was doing a bit of hacking around with Path 2, trying to get a version of it running on OS X as an experiment, when he discovered that the app actually uploads your entire address book when it is launched. This obviously raised concerns about what the app is doing with that information and, in fact, why it needs it at all.