Maybe it's names like Droid. According to a survey, Android users are mostly men. I think the reason is that Android is easier to manipulate and customize to one's preference.
According to Electronista, 61% of users are dudes. Surprisingly, RIM users are mostly girls. Yeah, I'm surprised about RIM's data too
Maybe this is pertinent information to all developers and advertisers - know who your users and audience are.
There are other juicy tidbits of information you'll find interesting about iOS and Symbian. But I'm gonna make you click through to learn more about it.