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Why are Android users installing all these apps then? https://play.google.com/store/search?q=QR%20scanner&c=apps&hl=en&gl=US https://play.google.com/store/searc

• meibo 6y ago
  Because most Android users don't know about Google Lens/their camera app and google "Barcode Scanner app" when they get their phone.
• magicalhippo 6y ago
  My Samsung has a built-in QR scanner, which I found out by accident. I downloaded an app for it because it never crossed my mind it would be built into the camera app. After all I don't want to take pictures of the QR code, I want to decode it... No idea when it was introduced. I've had an S3, S5 and now an S8 where I discovered it by accident last year. Pretty sure the S3 didn't have it.
• jabroni_salad 6y ago
  Personally, when I installed the app, there wasn't one built in. I just still had it lying around.