1. Student smart device monitoring
- Teachers can monitor students' screens in real time to induce students' class status and student participation in classes.

2. Send teacher PC screen
- Sends the teacher's PC screen to all connected students.

3. Two-way file transfer
- Teachers can send files to all students, and students can drag and drop files to teachers.

4. Writing function
- Teachers and students can write on the current screen or by executing the white mode (white color).

5. Control function
- Teachers can control the use of students' smart devices.

6. Group management
- Teachers can designate some students as a group for monitoring and remote control, and can use them for collaborative activities.

This app uses device administrator privileges.