[Introduction to key features]
1. Home: You can check the current class or next class information and attendance status. It also provides the ability to communicate with beacons to perform attendance authentication.
2. Attendance Status Inquiry: You can view the attendance status for the lectures you are taking in the current semester.
3. Timetable: You can check your current semester timetable by week.
4. Attendance change request: You can request a change of attendance status to the professor and view the result.
5. Preferences: You can check or change app version updates, notification settings, etc.