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Katy Perry - Know It All
from Know It All Apps, originally released 14th February, 2011
How much do you know about Katy Perry? Do you know it all? Test yourself on questions from four categories. At it tracks your high scores so you can try to beat your best.
And you can follow Katy's music, YouTube, and Twitter from within the app.
$0.99 on the App Store
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