What is QR scanner app?

Related questions

1. What is purpose of QR code?
2. How do you scan a QR code with an iPhone app?
3. Can you scan a barcode from a phone screen?
4. Can you scan a QR code from a picture?
5. How do QR codes work on Android?

Tags

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2. #smartphone
3. #scanner
4. #today
5. #available
6. #application
7. #models
8. #often
9. #downloaded
10. #codes
11. #smartphones
12. #feature
13. #newer
14. #phone
15. #conveniently
16. #installed
17. #luckily
18. #equipped
19. #reader