Grand Kingdom will allow cross-play between 2 platforms

Grand Kingdom
Crossplay platforms
Release Date: Nov 19, 2015
Official Website: Link
Crossplay platforms:
Grand Kingdom will support cross-play across multiple platforms. It will be possible to play together with your friends on Playstation 4 and Playstation Vita. Please check out all the details on the game's official website!
Summary:
After the fall of the once-prosperous Uldein Empire over one hundred years ago, the Four Great Nations now wage war to claim dominion over the Resonail continent. Battles are no longer fought by honorable knights loyal to a nation, but by mercenaries who sell their services to the highest bidder. As the leader of a mercenary squad, the player will lead their troops across a battle-scarred continent, overcoming obstacles and adversaries as they complete quests doled out by each nation. In doing so, they will unravel the mystery behind the downfall of a mighty empire. With an impressive battle system that combines fast-paced action with strategic planning, and featuring robust character creation and customization options, Grand Kingdom is a Tactical RPG the likes of which has never been seen before. Assemble a squad of mercenaries, form an exclusive contract with one of the Four Great Nations, and participate in war with other players online for the future of Resonail. But remember- in this new age of war, there is only room for one Grand Kingdom.

Screenshots:
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Supported game modes:
  • Single player
  • Multiplayer
Supported player perspectives:
  • Side view