In a saucepan, add blueberries, sugar, and lemon juice.
Cook over low heat until berries soften and burst.
Let blueberry mix cool completely before using.
In a bowl, beat cream cheese, sugar, and vanilla.
Mix until smooth, creamy, and well combined.
Place egg roll wrapper on a clean surface.
Add 1 tbsp cream cheese, 1 tsp blueberry filling.
Fold sides, then roll tightly, sealing with egg.
Heat oil in fryer or deep pan to 350°F.
Fry egg rolls until golden brown and crisp.
Drain on paper towels to remove extra oil.
Dust with powdered sugar before serving warm.