The new version of Voyage to Farland adds some features that are useful for Steam's Big Picture mode and SteamOS plus improvements to controller support for all OSes.

• Bundled Java for Linux and SteamOS
  
• Automatically opens in fullscreen when launched in Big Picture
  
• Full controller support
  
• Launch options for remapping controller buttons, setting volumes, etc.
  

Head over to the Discussions for more info, or jump right in with the new mini-guide covering the new stuff:

Voyage to Farland: Big Picture, Controllers, Linux & SteamOS