Metal Gear mastermind Hideo Kojima has been continuing to drip-feed us info on the forthcoming PlayStation Vita version of MGS HD Collection via Twitter.

The developer took to the social networking tool again today to confirm that the handheld version of the sneak-‘em-up bundle will include rear touch controls.

Kojima teased: "If you flick the rear touch pad, you can slice the enemy’s throat."

In addition, he also revealed that fresh voice work is being recorded to accommodate the new controls, specifically for the character of Major Zero (hence the above quote for the control introductions).

In another trickle of info, Kojima said players in first-person view can ‘pinch out left and right to stretch,’ though it wasn’t made clear what this actually means.

MGS HD Collection hit PlayStation 3 and Xbox 360 in the U.S. and Japan last November, and arrived in Europe on Friday.

The PS Vita version has yet to attract a release date, though was teased alongside the Zone of the Enders HD Collection last year.

via Andriasang