If you are looking for aa application to assist you while playing a deck game, then you can consider Hearthstone Deck Tracker to be an excellent solution for this problem of yours.
With Hearthstone Deck Tracker, you can get an in-game overplay. Deck, hand and secret tracking are some of the features that you can get in the in-game overplay. Tracking the cards that have been revealed by your opponents can also be accessed through this application. You can have replays of your games. Collection uploading is also a possibility when considering this game.
You can also have access to statistics regarding the games. Some of the prominent ones include deck win rates and arena runs. There is a secret helper present in your game too. Through this, you can keep track of the secret of your opponents.
Time tracking for playing the game is also available. You can even make your decks, keeping a record of the changes made in the new deck.
Hearthstone Deck Tracker is a deck game player companion application, which can help you in getting the most out of your game.