Another example of Android being used for highly specialised crowdsourcing projects, (and also in the woods!)<a href="http://www.newscientist.com/article/mg21829205.600-old-smartphones-called-in-to-save-indonesian-forests.html#.Ucl302SY5NM" rel="nofollow">http://www.newscientist.com/article/mg21829205.600-old-smart...</a> - use of phones to listen out for illegal logging.