Mobile Tower is a special unit works as a regular Tower IV, but it can move.
How to get?
Empires can get Mobile Towers from Tower workshop, a special building cost 12 empire cash. Inside the workshop mobile tower costs 2400 meat 1200 gold.
Empires can also get a Mobile Tower via Recruitment Prize, a special building where empires get units for recruiting friends.
StatsThe stats are same as Tower IV's:
Attack Delay- 35
Health Points- 900