Eon Altar: Episode 1 (Steam key).

http://store.steampowered.com/app/382050/Eon_Altar/
A Mobile-Enhanced Local Co-op RPG for 1-4 Players

Explore the lavish dungeons and tunnels that stretch below Tarnum Fortress and conquer dozens of unique quests and challenges. Prove your worth on a tactical battlefield, and overpower your foes with strategy, magic and martial prowess. The Eon Altar’s defenders are many and they are deadly.

Choose to cooperate with your allies or deceive them. Engage them in player to player dialogue to expose the truth in myths and legends, and guide your hero to their ultimate destiny or defeat.
Your smartphone is your character
Receive personalized secret thoughts from your character direct to your smartphone
Choose whether to share personal information with your friends or use it against them
Upgrade and manage your character without interrupting other players
Control the action from your smartphone with context sensitive information
Couch co-op role-playing game
Connect your mobile devices to a central platform to coordinate tactics and movement
Play together with up to three friends, or play by yourself in solo mode
Work with your friends, or betray them as you race to fulfill your destiny
Defeat legendary enemies in exciting tactical turn-based combat
An epic story of friendship and betrayal
Experience an epic quest in nine episodic installments filled with action and surprise
Explore a deep, compelling, and original sword-and-sorcery fantasy world
Interact with enemies, allies, and your friends by acting out your character´s lines
Make impactful choices and forge your own destiny
Fully-realized, immersive gameplay experience
Gorgeous art and atmospheric environments
Intricate, ancient, and original fantasy setting
NPCs are fully voice acted, but you voice your own character
Epic soundtrack by composer Tom Salta, known for his work on the Halo series