Quote Originally Posted by Nobunaga View Post
The mega coin is a coin which appears from time to time (idk, every 5 minutes for few seconds) like the coin of the private shows. How much you get from the mega coin depends on your income per second.

To farm keys... click on the private show coins. That's all. There is no trick.
Private shows are the ones that come up on top of the girls so you can tap the girls and get money ...if that is the case , i am getting only money from that, no keys at all