A free app for Android, by App Swim LLC.

The captivating metro simulator game Subway Idle for Android is designed for idle play.

The basic goal of Subway Idle is to update and maintain a subway map for a developing metropolis. In order to get your trains moving, your objective is to renovate and connect stops. Gain more money and improve your metro system even more as new stations are opened. Additionally, you must select how to allocate your restricted financial flow. Maintaining city motion is all that is required.

There are several cities to explore in Subway Idle. To advance your metro, you can earn money while you’re not online.