I can't find a topic for this app, so I've made this one ... if there already is a topic, please merge this one with it.
http://www.winxclub.com/it/news/winx-club-e-mcdonald%E2%80%99s-%C2%AE-vi-svelano%E2%80%A6-il-mistero-degli-abissi
"Furthermore, you can find a magical code in every Happy Meal to unlock a new Winx character, with which you can play, in the Winx Sirenix Power app! "
So, if you happen to go to Italy this month (and you have the app), don't forget to buy a Happy Meal.
It's likely that this new character is Daphne! :)