10 surprising things your Apple (APPL) iPhone, Google (GOOG) Android smartphone can do
11:15 AM, Jan 8, 2013
9:33 PM, Jan 8, 2013
If you're an avid smartphone user, then you've already discovered many of the amazing things it can do.
Mashable features writer
Matt Petronzio has come up with an interesting list of apps and devices for smartphones. You may know about some of them, others you may not.
For instance, did you know you can use your smartphone to measure your heart rate, or determine height and distance? Another app allows you to match paint colors while another allows you to change the color of your lightbulbs (special bulbs required).