The Android Developer Challenge has ended, and there's no doubt that it worked out well for developers - ten teams each received $275,000 awards and another ten got $100,000 apiece. Things seem to be headed in the right direction for Android users, too.
Forget about tossing sheep or infecting your friends. Almost every money-earning app is more useful than that, with even the less goal-oriented ones demonstrating more sophistication. TuneWiki and Rayfarla focus on music, for example, but incorporate all sorts of unique elements like synchronized lyrics and virtual musical instruments.
A list of the other top earners starts with cab4me, which is supposed to simplify the process of finding a taxi. CompareEverywhere and GoCart are shopping aids, while Ecorio tracks users' carbon footprints. Life360 seems designed to spread important bulletins throughout a physical community.
Then there's Locale, which "changes your phone's settings based on conditions, such as location," according to an official write-up.
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