Why gyroscope is used in mobile phones?

Related questions

1. Do all smartphones have gyroscopes?
2. Is perpetual motion possible in a vacuum?
3. How does a gyrocompass work?
4. How do magnetometers work?
5. Why does Gyro Compass fail in higher latitude?
6. What is gyroscopic torque?
7. Do iPhones have sensors?
8. How do gyroscopes work in airplanes?
9. Does iPhone have a magnetometer?
10. What can magnetometers detect?

Tags

1. #supplied
2. #accelerometers
3. #phone
4. #tracking
5. #mobile
6. #short
7. #dimension
8. #twist
9. #information
10. #accelerometer
11. #orientation
12. #detect
13. #phones
14. #rotation
15. #gyroscope
16. #additional