This game is about buying assets such as stores, factories, hotels, etc to gain profits from it. Each assets can generate cash and you can collect it to buy another assets.
Buy more assets to collect more profit so you can buy much more assets and be number one in this game's global leaderboard.
First you must select which land do you want to go. Initially you have one land with one shop in it. That shop can generate money. You also have some cash you can spend it to purchase some assets. Purchase it and wait until they generated some profits. Collect those profits till you have more cash to buy another assets.
Once you have some assets, you will run out of space on your land. So you need to purchase more land. There is three type of land: small, medium and large.