According to the Twitch broadcast schedule for E3, there are two games from Sony that they can't reveal but will be streamed. One game is a cross-gen PS4/PS3 game and another is a digital PS4/PSVita game. Both will happen on Wednesday. They will also stream Driveclub, The Order, H1Z1, Hohokum, Helldivers, and Planetside 2 PS4 Edition over three days.
http://www.dualshockers.com/2014/06/02/twitch-reveals-e3-broadcast-schedule/
http://www.dualshockers.com/2014/06/02/twitch-reveals-e3-broadcast-schedule/