Hi found something here for the DS - seems to called the same edition
http://www.sonicwrecks.com/news/comm...winclassictin/
Availability: Spain and Australia
Found a listing in Australia for the Wii version
http://www.quicksales.com.au/buy/auc...itemid=7780901
Lists quite a bit of detail about the package which might help?
It might be Australia only release as you thought.
Hope this helps,
Lea