Method for play synchronization and device using the same

A device, comprising:

• a memory for storing at least one content;
• a communication unit for communicating with a display device;
• a processor for reproducing the at least one content, transmitting the at least one content to the display device to reproduce the transmitted at least one content, receiving a message from a mobile device during the reproducing of the at least one content at the device, providing the received message while reproducing the at least one content and transmitting the received message to the display device, the transmitted message being used to enable the display device to provide the transmitted message together while reproducing the at least one content.

A system comprising a device and a display device, the system comprising:

• the device that reproduces at least one content, transmits the at least one content to the display device, provides a message while reproducing the at least one content at the device when the message is received from a mobile device during the reproducing of the at least one content at the device, and transmits the received message to the display device;
• and
• the display device that receives the at least one content from the device, reproduces the at least one content, receives the message from the device, and provides the message while reproducing the at least one content.