Vainglory allows cross-play between 4 platforms

Supported crossplay platforms
Release Date: Nov 16, 2014
Official Website: Link
Summary:
VAINGLORY IS A FREE TO PLAY MOBA PERFECTED FOR TOUCH Outplay real opponents in this deep, uncompromising real-time MOBA. Fight with lightning-fast controls using powerful heroes. Destroy the enemy Vain crystal and claim glory! Watch the preview video now to see real gameplay of 3-vs-3 multiplayer battles.
Genres and Themes: Real Time Strategy (RTS) Role-playing (RPG) Strategy Adventure Action
Supported crossplay platforms:
Vainglory is supporting cross-play across multiple platforms. Currently it is possible to play together with your friends on Windows PC, Android, iOS and Mac.
Supported game modes:
  • Multiplayer
Supported player perspectives:
  • Bird view