關於「QR code decoder」標籤，搜尋引擎有相關的訊息討論：

QR code reader&QR code Scanner - Apps on Google Playplay.google.com › store › apps › details › id=tw.mobileapp.qrcode.bannerQr Code decoder - c++ - Stack Overflowstackoverflow.com › questions › qr-code-decoderQR code reader with generator - Apps on Google Playplay.google.co