Based on phone book, the software realizes the communication on location and instant message by building relationship with contacts, which is easy to use and without the need to register, especially useful to locate friends while travelling, to find a suitable place for an appointment with friends or family, or to prevent children and seniors from getting lost. Detailed functions are as follows:Check the location of a binding contactPrevious location statisticsChoose a random location and send it to a binding contactShare location with a binding contactInstant messagingSimplified surrounding area searchPerfect control of location sendingQuick dialingStatistics of a contact