App Description

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.

iPhone Screenshots

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Katy Perry - Know It All screenshot 1 Katy Perry - Know It All screenshot 2 Katy Perry - Know It All screenshot 3 Katy Perry - Know It All screenshot 4 Katy Perry - Know It All screenshot 5

iPad Screenshots

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Katy Perry - Know It All screenshot 6 Katy Perry - Know It All screenshot 7 Katy Perry - Know It All screenshot 8 Katy Perry - Know It All screenshot 9

App Changes

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