The PS4 is missing a few features Sony promised during its console reveal last year, such as sleep mode and the ability to let a friend take over your game online. These features are on their way, Sony Head of Worldwide Studios Shuhei Yoshida told Kotaku at E3.

"Our team has been working on it," Yoshida said. "There are some things that we announced in February of last year that were not planned for the launch timeframe."

Yoshida didn't provide a timeline for the new features, but said he's asking his tech team "every other week" when they'll be ready.

During its PS4 reveal show in February 2013, Sony Lead System Architect Mark Cerny described sleep mode as a suspend/resume process that allows you to power down and boot up the PS4 from the same spot at the press of a button. In October, we learned that feature wouldn't be ready on day one.
[Image: Sony]

This article was originally published on Joystiq.