Hearthpwn

Quote from robpcom3 >>

Why do people use it if it's not an advantage? Even very good players seem to be using it? Knowing your deck can be a bit tricky playing many rounds of arena for obvious reasons. And often, many players like to switch between decks and try out new decks in other modes.

You can also say, "you can just study for a test, bringing in notes would not be an advantage." But what side of the class would you rather be in, the half that can bring notes or the half that can't? 

 

Again, pen and paper. No more disadvantage :)

But from the person who posted here, if the functionality simply isn't possible on the platform (and for security reasons I'm really sure you DON'T want them to change it), so there's not much point in worrying about it. 

Innkeeper is a desktop program. That person was not really answering your question. You will see above (post #4) that it is probably not possible to run such a program on iOS. 

You could have a pencil and paper though. Old fashioned and reliable :)