This App is to access your national University online course. With the National University Mobile app, you can now access your class information and engage with your classmates anytime, anywhere.Activity Quickly view the recent activity from your courses, including thread topics and responses, dropbox submissions, and gradesUpcoming See scheduled items from your courses, including threads, content items, quizzes and exams Discussions Read thread topics and respond to your instructor or classmates Announcements Quickly see what is happening in your courses Gradebook View grades and comments on your assignments people Easy access to others in your course

优化体验，增强稳定性。