This app is the safe exam browser for android (SEB android).

Here are some advantages of this application compared to other similar applications:

1. This application is free and can be used without a limit on the number of users. It can be used by hundreds, thousands, or even millions of students simultaneously.
2. Teachers can create their own QR codes.
3. Teachers can determine the duration of the exam.
4. The exam QR code can only be accessed using this application. If the exam QR code can be accessed using another application, then students can cheat by using that other application. By using this application, exams become more secure and reduce the possibility of cheating.
5. Students cannot take screenshots or record the screen.
6. Students cannot copy questions.
7. The Recent, Home, and Back buttons are hidden and locked by this application to prevent students from accidentally pressing these buttons.
8. If a student tries to open another application, they will receive a violation warning and must rescan the QR code requested by the teacher.
9. This application prevents the screen from turning off, meaning the student's phone screen will remain on throughout the exam.
10. Students can see the remaining time of the exam.
11. Students cannot use split-screen mode.
12. Students cannot use pop-up applications after 2 minutes into the exam.
13. Besides being used for exams, this application can also be used as a regular QR Scanner application.