Dragon Quest Heroes II will allow cross-play between 3 platforms

Dragon Quest Heroes II
Crossplay platforms
Release Date: May 27, 2016
Official Website: Link
Crossplay platforms:
Dragon Quest Heroes II will support cross-play across multiple platforms. It will be possible to play together with your friends on Playstation 3, Playstation 4 and Playstation Vita. Please check out all the details on the game's official website!
Summary:
"DRAGON QUEST HEROES II is a hack-and-slash, field-roaming Action RPG that sends players on a new adventure to restore order in a once peaceful world filled with hordes of monsters and battles of epic proportions. Up to 4 players can band together in cooperative multiplayer to conquer swarms of enemies and defeat challenging boss monsters. There is also a cast of many playable characters each with unique moves and abilities – including a host of familiar faces from the DRAGON QUEST series and four brand new heroes that must team up to defeat an unknown threat looming over the Seven Realms!"

Screenshots:
Artworks:
Dragon Quest Heroes II is also known as:
  • ドラゴンクエストヒーローズII 双子の王と予言の終わり
  • Dragon Quest Heroes II: Futago no Ou to Yogen no Owari
  • Dragon Quest Heroes II: Twin Kings and the Prophecy's End
Supported game modes:
  • Single player
  • Multiplayer
  • Co-operative
Supported player perspectives:
  • Third person