Apple Cranberry Egg Rolls



2 tablespoons butter
4 Gala apples
1 teaspoon freshly squeezed lemon juice
1 tablespoon water
1 tablespoon all-purpose flour
2 tablespoons brown sugar
1 teaspoon ground cinnamon
1 cup fresh or frozen cranberries
8 eggroll wrappers
1 egg beaten with a teaspoon of water
Vegetable oil for frying
Powdered sugar for dusting