2010 Apple TV Runs iOS 4.1
It's confirmed that Apple has already uploaded iOS 4.1 made for the 2010 Apple TV onto their servers and very soon will be made available as an official software update. Running apps on your TV is now that much closer!
If you can't wait, you can dare to download it right now - AppleTV2,1_4.1_8M89_Restore.ipsw
Source 9to5Mac