HEAT oven to 350°F.
BEAT cream cheese, potatoes, 1/4 cup sugar and cinnamon with mixer until well blended. Spoon into 1-1/2-qt. casserole; top with apples and cranberries.
MIX flour, oats and remaining sugar in medium bowl; cut in butter until mixture resembles coarse crumbs. Stir in nuts. Sprinkle over fruit layer in casserole.
BAKE 35 to 40 min. or until heated through.