Half-Life 2: Episode One is now available on Google Play but exclusive only for Nvidia Shield Tablets for now.
Half-Life 2: Episode One is the sequel to Half-Life 2 which builds on the single-player campaigns within the original title. As the story goes, players will be "Stepping backing into the hazard suit of Dr. Gordon Freeman and face the immediate repercussions of your actions in City 17 and the Citadel. Rejoin Alyx Vance and her robot, Dog, to once again aid the human resistance in their desperate battle against the totalitarian alien menace of the Combine."
For those of you who want to pick up Half-Life 2: Episode One for your Nvidia Shield tablet, you can do so through Tegra Zone or Google Play for $7.99 which is the same price this game sells for on Steam. This is an Nvidia Shield tablet exclusive game for right now.