(I believe this question hasn't been asked on the forum before.. Maybe it's in the docs somewhere, but then I must've missed it).
Now that both the iOS and Android work with Unity 3.4, is it possible to build both targets from the same project? I.e. are all the scripts in the 'Editor\QCAR' and 'Qualcomm Augmented Reality' folders the same, and are only the contents of the Plugins folder different? Or are there subtle differences or is there more to it than this?