From a google search on play store dominations:
Introducing the Global Age!
• New upgrades for all existing unit types, and 3 brand new units: Transports, Bazookas, and Mortars!
• Additional Building upgrades!
• Get the new Air Superiority Blessing and watch your planes dominate!
• Generals now have 10 additional levels!
• Library upgrades with 4 new Techs: Command, Warfare, Resistance, and Heritage
Multiplayer Battle Refactor!
• Closing or crashing out of a World War or Multiplayer battle will now save your stars, resources and progress!
Yay for the last one, made my dominations day!