It's unlikely one exists. There are plenty of simple online tools, so it's probably easiest to make your own.
--- Original Message ---
From: "Jan Ainali" <jan.ainali@wikimedia.se>
Sent: November 6, 2013 1:42 AM
To: "Wiki Loves Monuments Photograph Competition" <wikilovesmonuments@lists.wikimedia.org>
Subject: [Wiki Loves Monuments] QR-code to Google play
Hello!
I can't find it on Commons, but perhaps my search skills are bad. Do you know if anyone already created a QR code to the current app on Google play?
