This is an automatic deck tracker for Hearthstone.
Features:
-Tracks cards drawn from deck (or cards left in deck), handcount and drawchances of remaining cards
-Tracks cards played by the opponent and his handcount
How it works:
The automated tracking is done my reading out Hearthstone logfile.
More information on that here: http://www.reddit.com/r/hearthstone/comments/268fkk/simple_hearthstone_logging_see_your_complete_play