QrScan is a QrScanner application for Nokia Asha phones phones. The cameras in current Asha phones are not good enough to read qr-codes from magazines etc. However you can scan bigger Qr codes with those phones really well.
Download it from Opera Appstore:
As usual you can grab the source code from my github-repository at: https://github.com/Summeli/QrScan-Asha