1. bdfull3r's Avatar
    Here is an app that falls under the category of i didn't know a phone could do that. It uses the camera and an LED light to read your heart rate. It is a nifty trick if nothing else.

    https://market.android.com/details?i...ZWFydHJhdGUiXQ..
    02-29-2012 09:14 PM
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