OpenTTD — transport business simulator from the 90s, ported to the Android platform. This is a completely free open source mobile game that you can play in single player mode against the computer, and there is also the possibility of multiplayer online games. Engage in the design of road junctions of any complexity, as well as install public transport routes, including buses, trains and planes. Ultimately, you will have your own transport company, bringing a stable income from the transportation of goods and passengers, and what to do next, is completely dependent on your actions. Engage in its development in a certain direction and soon, you will become the greatest magnate in history. Of course, in terms of graphics game OpenTTD lags behind modern counterparts, but the mechanics of the gameplay is made at a high level. Management, visual style, economy model, etc., were fully preserved, as well as in the original game in 1994.