AirTycoon 4 is an authentic turn-based airline management simulation game, available for Android devices. It is a single player game that is based on 'Air Tycoon Online 2,' which is popular worldwide. The game provides a demo version, and if you want to enjoy the full version, you need to purchase the in-app option.

The game lets you build and manage a worldwide airline with detailed statistic management support. You can play and compete with a maximum of 24 AI players and enjoy vivid and gorgeous 3D graphics. The game includes 150 real airplane models and 500 airports worldwide, along with diversified airport and route management. You can upgrade airports and airplanes, buy and sell used airplanes, and manage passenger and cargo routes.

AirTycoon 4 has a detailed and various type of map and historical real-time background, and you don't need an internet connection to play. The game provides useful tips for beginners to succeed in the airline industry. However, it is essential to note that when 24 turns pass from the beginning, and if you want to play continuously, you need to buy the formal version of the game.

Overall, AirTycoon 4 is a fun and challenging simulation game that lets you experience the airline industry's intricacies.