Yes, it's a sheet of A4 with a QR Code and a website address and details of what was required.
As we got off the plane at Dalaman there was a young lady handing them out. I think most people were under the impression that she was selling something so they either refused it or took one and dropped it further along the way.
On the outward journey we all had to complete a form for the Turkish authorities. 1 sheet of A4, half for Turkish citizens to complete, the other half for foreigners. The form for entry to the UK runs to 3 pages !