It is Vibrometer Application using acceleration sensor on device. Main Function. 1. x-y plane graph and time graph mode. 2. Auto Scaling mode. 3. Origin reset, Hold and more. Instruction. 1. Put your Device on a flat and horizontal surface. 2. Click Max Vibrometer icon for starting application. 3. Click Scale button for changing graph scale. 4. Click Origin button for resetting sensor origin. 5. Click Hold button to hold the graph. 6. Click Clear button to erase all graph data and re-draw.