Apple curbed that activity with the new BUMP update.
I'm not sure about Andriod.
To answer your other question; no. I do not share songs, via my iphone unless they are
shared from the artist or spotify. I use dropbox
to sell music, but if my clients want a composition, he/she pays.I stopped sharing music and apps, once I realized
that pirating was also hurting my business (circa 2005). I felt like such a hypocrite, so I stopped.
