The group with more check in is MGS LOMBARDIA EMILIA (ITALY)!
How many itinerary places did you visit?
Check in on an itinerary place is very easy: enter on SYM App itinerary section, tap check in button, and.. there you go!
To win, remember to set your SYM group on your profile section on the App!
Have a great SYM Don Bosco 2015 experience!