Instead of leaving the actual game window on your standard monitor, you want to also move it over to the PSVR by hitting Windows key + Shift + Right arrow on your keyboard. (androidcentral.com)
Although Blizzard hasn't yet announced a release date for Left 2 Die, StarJeweled and Aiur Chef, you can test out all three by booting up StarCraft II and checking out the custom games window under the Multiplayer tab. (thatvideogameblog.com)
To get your keyboard and mouse or controller to work in the game, use the Alt + Tab shortcut on your keyboard to bring up the actual game window on your standard monitor. (androidcentral.com)