Dissolve gelatin and salt in hot water. Cool and chill slightly. Stir in cold Dr Pepper and lemon juice. Chill until slightly thickened. Fold in fruits and coconut. Pour into 2-quart mold or individual molds that have been lightly greased. Chill until set. Frost with Cream Cheese Dressing (see below).
Cream Cheese Dressing
Beat 6 ounces cream cheese until smooth. Gradually add Dr Pepper (1/4 cup) to make consistency for easy spreading.