1. In a separate container, completely dissolve each pack of flavored jelly in 1 cup boiling water. 

2. Stir in another ½ cup of cold water. 

3. Transfer to a rectangular container and refrigerate for 2-4 hours or until set. 

4. Cut the flavored jelly into cubes. 

5. In a mixing bowl, combine condense milk, heavy cream and pineapple juice. Then, add sugar and salt. 

6. In a separate container, dissolve the unflavored jelly in 1 cup boiling water. 

7. Combine the unflavored jelly into the milk mixture. Whisk until well incorporated.

8. Arrange the flavored jelly in your preferred jelly mold. 

9. Pour the jelly-milk mixture evenly. Refrigerate for another 4 hours or until set. 

10. To serve, turn the pan upside down in a serving plate. 

11. Serve chill and enjoy!