Ontrack Systems Ghost is an App developed for tracking and locating vehicles of all types; goods, boxes, trailers, containers, among others through equipment with GPS / GPRS technology. Our App is practical and easy to use and now available for Android users. - Management of the list of units: Obtain all the necessary information on the state of movement, location and data of the unit in real time. - Work with unit groups: Send commands to unit groups and search by group names. - Map mode: A