now hearthstone is the only game that I still play, casually, it is very good to practice reading the plays of the opponents besides being a fun pastime!Currently I don't play e-Sports, but about a year and a half ago I tried a bit of Hearthstone for a month.....
I liked it a lot, but you can't have two competitive and demanding games like poker and Hearthstone in one hand. In order to become top at a specific esport, you need to put huge amount of work.
I like e-Sports, I respect the top professional e-sport gamers, they work hard on their game, and I think e-Sports have an awesome future.