I just unlocked the "#4sqDay 2011" badge on@foursquare! http://4sq.com/eUyCyP06:39 via foursquare I just became the mayor of ローソン 上新庄駅前店 on@foursquare! http://4sq.com/95yBJN07:25 via foursquare from Osaka City Higashiyodogawa War…