Check this out: Just In: Miveu – iPhone Mounting System creates POV Camera | Mountain Bike Review
I wouldn't say it bests a GoPro, but it's surely a cheaper alternative. And just wait and see what the competitive market may bring as far as lens options, etc. Surely they must already have plans for a Droid version - the biggest hurdle I see there is that there are so many different form factors for Droids whereas the iPhone is a much more consistent case size (so far anyway).
Mtbr's 2016 Winter Biking GearReviews and Roundups
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