<http://schema.org/description>
"Portal, the beloved first-person puzzle game released by Valve as part of The Orange Box in 2007, is coming to the Nvidia Shield.\r\n\r\nA release date wasn't given, but Nvidia says it's ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/media/2014/03/25/valve-bringing-original-portal-nvidia-shield-general-android-release-next/>