Some Ideas that would make the Gameplay a bit easier
Lets ignore my englisch and my Photoshop skills :D
1. idea
A DropDown menu that shows all remaining times of your Builders.
http://2.t.imgbox.com/ejP38PGq.jpg
http://8.t.imgbox.com/PFpsInWj.jpg
Klick on one of the fields and you wil get navitaged to the building.
http://3.t.imgbox.com/zg1iIOdJ.jpg
http://8.t.imgbox.com/FOiRgZ2v.jpg
2. Idea
Save your Army(Spell) Constalation.
The Barraks will do the rest
http://0.t.imgbox.com/c6FZouAR.jpg
What do you Think ?