On August 17, 2005, Mark Rein, the vice-president of Epic Games, revealed that Unreal Engine 4 had been in development since 2003.[35] Until mid-2008, development was exclusively done by Tim Sweeney, founder and technical director of Epic Games.[36] The engine targets the eighth generation of consoles, PCs and Tegra K1-based[37] devices running Android announced in January 2014 at CES.