Put mangoes and cream cheese in a blender; blend until smooth. Dissolve lemon Jello in boiling water. Add blended mango and cream cheese mixture and lemon juice. Mix together and add unflavored gelatin. Pour into a 1 1/2 quart mold. Chill until set. Serves 8 and more if served as salad. If you use a ring type mold it is beautiful with the center filled with fresh strawberries.