Your smartphone is full of surprises. There’s an app if you want to use your phone as a magnifying glass or scanner. Tap or click here for hidden apps on your smartphone and how to find them.

Your smartphone is full of surprises. There's an app if you want to use your phone as a magnifying glass or scanner. Tap or click here for hidden apps on your smartphone and how to find them.

Last month, the FBI reiterated the dangers of “juice jacking,” an alleged practice wherein bad actors steal data or install malware on your smartphone through public chargers. The problem is, there ...