A little slower paced than expected, and a little labor intensive like farmville. Maybe some hotkeys to speed up tedium? Or a select all / mine gold command or similar.
Overall awesome work though, I'm intrigued.
"I think the drag/drop background broke on reload for me in chrome? Can't seem to move map anymore.": the game should work better on Chrome, I didn't test the others no time/not worth for now. This shouldn't happen. If this happen please press F12 on you keyboard and select the "console" panel. If there is an error click on the triangle to drop down the error information, copy paste all and send it to me here: https://plus.google.com/communities/105437932515232469714