Would you like to check your posture ? Set the marks at the positions which are ears, shoulders, hips, knees and ankles, and tap the "OK" . You can get the angles as shown below. - total angle : the tilt angle of body from the vertical line - ear : the tilt angle of ear from the horizontal line - shoulder : the tilt angle of shoulder from the horizontal line - hip : the tilt angle of hip from the horizontal line - right-knee : the angle that right side hip-knee-ankle make - left-knee : the angle that left side hip-knee-ankle make This application has the camera with a sprit level. Therefore you can get a straight photograph ! Of course you can save a result as a JPEG format.