If I tell you that you can now use your Android powered device as a metal detector, would you believe me ? I guess, your answer is a big “NO”. But what if I give u a proof ?
Yes, what you just read is true. There is an application known as “Metal Detector” that actually turns your Android phone into a metal detector. Here’s a video showing the application in running mode :
We are not sure about how the device detects any metal that is placed before it. But I guess, it uses the compass to detect any metal that comes its way.