You can sell your crops and products in a shop. You can advertise your crops and products so that people around the world can buy things from your shop. As you earn more coins, you can buy production buildings to create even more products. You can also buy decoration items with coins. Completing many actions gives you experience points, which helps you to level up. Once you level up, you unlock the ability to build different production buildings, and can also unlock new crops, animals, and decorations.