You can certainly tell when one side has an advantage in coordinating their attacks because the battle usually turns pretty ugly pretty fast for the other side. (gamerstemple.com)
Front and rear touch controls can be used for coordinated attacks against enemies. (thehdroom.com)
While moving about, each of the players can coordinate their attacks with one another, which is represented by a timer over their mark on the map. (entertainmentbuddha.com)