QR Code scannen, um zur Frühlingsselektion ( 春) zu gelangen:
innovates with QR Codes. All shops in the booklet have now a QR Code, so that one can read more about them and store the address etc.
More information in german can be found at www.altstadtzug.ch
At the same time every shop has an individual DokoDare sticker.
They look like this one
There is also a presentation in german about DokoDare in Zug