Blueberry Cream Pie with Streusel Topping

Name: Blueberry Cream Pie with Streusel Topping
Cuisine: American
Ingredients: ½ cup quick oats; ½ cup brown sugar; ¼ cup all-purpose flour; ½ tsp cinnamon; ¼ cup butter (softened); 8 oz cream cheese; ¼ cup granulated sugar; 1 Tbsp all-purpose flour; 1 tsp vanilla; 1 large egg; 1 ½ cups all-purpose flour; ½ tsp salt; ½ cup Crisco butter flavored shortening; 1 egg; 2 ½ Tbsp COLD water; ½ Tbsp white vinegar; 3 cups frozen blueberries; ½ cup sugar; ¼ cup cornstarch