Developer's DescriptionBy Mobile ToolsAndroid devices have a accelerometer sensor. It is a sensitive sensor that reports the device vibrations.Android devices have a accelerometer sensor. It is a sensitive sensor that reports the device vibrations.This tool is a powerful vibration meter tool.It has the following features:- shows vibrations in real time- saves vibration data into SD card (*zip files also supported)- calculates the Root Mean Square (RMS) of the vibrations - usefull for self made DRONE calibrations- provides configurable sound alarm that may be used to:- detect the earthquakes when you sleep- detect if somebody opens the door when you sleepIt is recommended to use the battery charger when it works for a long time.This application comes with ABSOLUTELY NO WARRANTY.