The accelerometer is a built-in electronic component or sensor that measures wrap and motion. It is also capable of detecting rotation and motion gestures such as waving or shaking.

• The most common use for it is to activate auto screen rotation on mobile devices when the user changes their postion from portrait to landscape or vice-versa.
• Another Latest application for the accelerometer is to control the mobile device music player with gestures (Sony Ericsson Shake control or Samsung Motion play technologies).
• Accelerometers are also apply for enriching the gaming controls.
• Another popular mobile phone feature based on an accelerometer is turn-to-mute. It allows user to mute an incoming call, silence an alarm or pause the mobile music player simply by turning the device face down.