Blueberry Swirl Dessert

1 cup (10 ounces) frozen blueberries
2 tablespoons sugar
2 tablespoons cornstarch
2 teaspoons lemon juice

Mash undrained blueberries and add enough water to make one cup of the mixture. Add sugar and cornstarch with mixture in saucepan. Cook until bubbly. Add the lemon juice and cool.
Combine and beat:
1 8 ounce package cream cheese
2 tablespoons sugar
then add in:
one package prepared dream whip
Layer cream cheese mixture and blueberry mixture in a 9-inch graham cracker crust, then swirl. Refrigerate.