As smartphones have become more and more ubiquitous, so have QR codes. These maze-looking squares are a type of matrix bar code that contains data — usually, QR codes point to a website or open a ...

You may have noticed that I frequently post QR codes/barcodes when writing about Android programs. That’s because they’re the easiest way to give you a sort of ...

Scanning a document lets you share and edit documents digitally. You don't need anything more than your Android phone and its camera. Even if you're using one of our favorite budget Android phones, ...