If there is a game or another application already running , the Wii U GamePad 's HOME button ring will flash indicating that there is an incoming call . The idea of the feature was originally seen in the introduction trailer of the Wii U in E3 2011 . However , users wo n't also be able to use the service as a multitasking application , therefore not having the ability to make video calls without interrupting game play
E3 2011
E3 2011
List of messaging applications for Nintendo game consoles