This app is a speedy app using the GPS reception function of the device. Functions #. Speed ​​measurement function of 6 kinds (Meters/Second, Kilometers/Hour, Mach, Yards/sec, Miles/Hour, Notes /Hour). #. Latitude, longitude, altitude measurement function. #. Date, day and time display function. #. Ability to enter addresses and creeds (proverbs, promises, appointments, etc.) that the user can enter. #. Function to select the address for the purpose and flow out if the space is lacking. #. Pre-