Where can I get the Google Finance API for a HTML5 Android Stocks App?

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http://stackoverflow.com – I'm working on an Android app, it's being written in HTML5 and I wanted to use the Google Finance API as a way of updating the apps stocks. I can't seem to find a current one. Any help would be appreciated. Also I'm fairly new to mobile app development, what's the best way to go about doing the 'Holo' theme for my application, I want it to look very modern and up to date. Thanks again, I appreciate all the help. (HowTos)