A free app for Android, by pelya.

Play the business simulation game Transport Tycoon. There are single-player games against the computer and online multiplayer games available. To be more familiar on how the game works, you can visit this link: http://wiki.openttd.org/Tutorial for playing

And if you wish to add computer opponents, you can check this link: https://wiki.openttd.org/AI settings

When building roads or stations, use two fingers to scroll the map. Drag dialog boxes to the screen’s edge to close them. Here is a link where you can translate the Android version into your native language: https://translator.openttdcoop.org/project/openttd-android-translate

This game’s source code and earlier versions are available for download at http://sourceforge.net/projects/libsdl-android/files/apk/OpenTTD/.