Nvidia hs been working with Valve to bring the game Portal to SHIELD and today, the company has made available the game for download from Google Play, together with Half-Life 2 title. Half-Life 2 and Portal join more than 300 SHIELD-supported Android games now available.

Nvidia says that the new games for Android offer the full PC version experience, with sharp graphics and natural controls.

To get started, grab a SHIELD; it?s now $199.