Mix beans with salsa, cumin and cheese. Place tablespoon in center of egg roll wrapper. Make triangular package and seal edges with water. Let rest 30 minutes. Heat oil in skillet, when hot add pot stickers and brown on both sides. Add 1/4 to 1/2 cup water to pot stickers. Cook, turning 1 once until water evaporates. Serve with pico de gallo and sour cream.