How do I get this thing in europe?
You don't.
Hack your 3ds, use region emulation to run SM in US/JP region and scan the respective QR code.
Alternatively, wait a few hours for an EU QR code.
>>30567432
>a few hours
The promised day will be over in 35 minutes.
>>30568182
there's always a next one!
and another one...
and another one...
and another one...
>>30568268
And that's exactly 5 days after America.