Generators
Move your cursor over the generator and left-click to speed up production. Click the green off button below the generator to stop the generator.
Products
Hover your cursor over the product in the cell and hold down the left mouse button. Drag the product onto a cell with the same product to get the next level of product.
Orders
There will be orders hanging at the top that need to be fulfilled to receive a reward. To fulfill them, drag and drop all the products that are drawn in the order frame. Below the list of products you need is the reward for completing them.
Trashcan
If there will be items in the boxes that you don't need at the moment, you can throw them away by dragging them to the trash can to the left of the grocery boxes.
Cafe
Click on the button in the lower left corner to move into Cafe mode. In this mode you can furnish it by buying furniture and scavenging for crystals received for orders. You can also read the dialogues in this mode, following the story.