Metro Sounds is a free Android app developed by Sound Jabber under the Multimedia category. This app offers a collection of realistic train sound effects that will make you feel like you're actually in a subway station or waiting at a railroad crossing.

The app boasts high-quality sound effects that can be set as ringtones, alarm tones, or notification tones. Additionally, the app works offline after download, and it can run in the background.

With Metro Sounds, you'll experience the ease of the metro and feel like you're actually there. The app is perfect for train enthusiasts or anyone who wants to add some unique sound effects to their device.