1Arrange watermelon cubes on a serving platter.
Place pineapple on several layers of paper towels and top with more paper towels. Press to remove as much juice as possible.
In a medium bowl, beat together cream cheese and confectioners' sugar until fluffy. Beat in vanilla then mix in pineapple until well combined.
Place pineapple frosting in a resealable plastic bag. Cut off one corner of bag and decoratively pipe frosting onto each watermelon cube.
Place an almond in the frosting of each petit four. Sprinkle with raw sugar and serve immediately.