What is the Deck Heroes: Duel of Darkness game, how does it work?

According to the introduction of IGG.COM, Deck Heroes: Duel of Darkness is a Strategy game on the Android platform. There is currently a 10.9.0 version released on Jul 17, 2017, you can see the details below.

Build the Ultimate Deck with a horde of Heroes and magical Creatures to save a threatened kingdom. With one hundred trading cards, all Decks are unique guaranteeing unlimited strategies. With High Definition Graphics quality, this game will dazzle the sight. Engage in exciting battles, and immerse yourself in a majestic world!

War arrived in the world of Deck Heroes! The Voidborn, Humans, Elves and Mortis head to battle. Build your own faction with Heroes of every race and lead them to the path of glory. Don? T wait ... Start your adventure in the world of Deck Heroes!

FUNCTIONS
✔ FREE TO PLAY
✔ Gaming Non-Stop!
Innovative Gameplay, endless battle and tactics countless await you to make you addicted!
✔ A World at War
Align your Army with 4 factions - Human, Elf, Mortis, and Nether.
✔ A Visual Illustration Beautiful!
The Designs Stylish and Refined associated with Flaming colors, vibrant life to give your cards Heroes and Creatures!
✔ Call Adventure you!
Maps, prints, elaborately detailed Dédales will be waiting for you for vagrants at the height of courage and bravery in this epic fantasy realm!
✔ Global Action!
Experience the suspense of an exciting adventure with millions of players worldwide!
✔ Adrenaline Rush filled action!
Raids, competitions, and more; The Paradise of the Player vs. Player ... This is where it happens!

CONTACT
Fanpage: https://www.facebook.com/DeckHeroesFR

What's new in version 10.9.0 Content V10.8.0 [New content and corrections] 1. Marchant Mystery functionality added; 2. Increased maximum number of Decks 3. Changes made pourl'équilibre multiple skills of the game, see the list below for more information; 4. More types of buffs added for completion of Task of day? 5. Aside criterion update Ranking of Tests 6. New creatures: Lancer Unicorn Mistress Draconian, Loki, Armsmaster