NOTE: Anyone installing the app (which is an ".apk" file) will need
to change the setting on their phone to allow installation of non-market
applications (but if you're a beta tester you already had):
To find this setting on versions of Android prior to 4.0, go to
"Settings > Applications" and then check the box next to "Unknown
Sources". For devices running Android 4.0 or above, go to "Settings >
Security" or "Settings > Security & Screen Lock" and then check
the box next to "Unknown Sources" and confirm your choice.
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