Google announced the winners of its second Android Developer Challenge, identifying 30 overall winners in 10 categories 
selected by an official panel of judges as well as tens of thousands of Android users worldwide. SweetDreams, a tool enabling users to avoid late-night calls without remembering to change their phone settings, was first among three Overall Winners, claiming the $250,000 grand prize; What the Doodle?, a multiplayer game requiring players to decipher user drawings, placed second for winnings of $150,000, and mobile data security solution WaveSecure came in third, taking home $125,000.
In addition to the three Overall Winners, which topped the Lifestyle, Games: Casual/Puzzle and Productivity/Tools categories, respectively, Google announced seven additional first-place winners: Plink Art (Education/Reference), A World of Photo (Entertainment), Speed Forge 3D (Games: Arcade/Action), Buzz Deck (Media), Ce:real (Social Networking), Trip Journal (Travel) and Rhythm Guitar (Miscellaneous). First-place winners in all categories receive $100,000--second place earns $50,000, and third place wins $25,000.
For more on the Android Developer Challenge results:
- check out this Google winners' gallery