Hidden Agenda: Companion Application

The Hidden Agenda: Companion Application is an upcoming mobile application supported by PlayLink. The application acts as another gameplay mechanic in Hidden Agenda where up to four players can play to alter the story's events, rather than the game being played solo.

Description
This quotation comes directly from PlayStation's official website.

"Blending elements of movies and games, this narrative-driven adventure drops you into a tale rife with chilling moral dilemmas. Up to four of you can join in and influence the story, but beware – not all of you will be working towards the same objective…"