Sprinkle unflavored gelatin over 1/4 cup cold water; let stand for 5 minutes. In a bowl, dissolve softened gelatin and cranberry gelatin in boiling water. Stir in cranberry sauce until blended. Add the cinnamon, ginger, salt and remaining cold water. Cover and refrigerate until almost set. Fold in apples and walnuts. Pour into an ungreased 2-1/2-qt. serving bowl. Refrigerate until firm.