Hearthstone is a card game game released in 2014 designed and developed by Blizzard Entertainment. Hearthstone can be described as a free-to-play, with microtransactions game and can be played on the following operating systems: Windows, Mac OSX, iOS, Android. Hearthstone is also a multiplayer game.
“Sheathe your sword, draw your deck, and get ready for Hearthstone - the fast-paced strategy card game that's easy to learn and massively fun. Start a free game on Battle.net and play your cards to sling spells, summon creatures, and command the heroes of Warcraft in duels of epic strategy.” - Blizzard Entertainment