Cook rice noodles according to package directions, omitting salt and fat. Drain.
Combine broth, soy sauce, sugar, and salt; stir until sugar dissolves.
Heat a large nonstick skillet over medium-high heat; coat pan with cooking spray. Add 1 teaspoon oil. Add egg; stir-fry 30 seconds or until soft-scrambled, stirring constantly. Remove from pan. Wipe pan clean with a paper towel. Heat the remaining 2 teaspoons oil in pan over medium-high heat. Add bell pepper strips, ginger, crushed red pepper, and garlic; stir-fry 15 seconds. Add chicken, and stir-fry 2 minutes. Add curry and shrimp; stir-fry 2 minutes. Stir in noodles, broth mixture, and egg; cook 1 minute or until thoroughly heated. Sprinkle with green onions.