Need to advance in the story of Sue
For Angelica the second is the third club activity with her.
Enter to your laptop, click sCoin miner and then you will get some, in Cindy's Shop you can get a upgrade for this too, the other way is going to the lake or Beach collect everything and sell to Cindy.
Go to the other realm, and do all the mining sites. Then in the workshop you can ask to get any.
