Zen Musica Concentracion by tarad-apps is a free Android app that offers a collection of relaxing music to improve concentration. The app includes various songs that are divided into six parts of five minutes each. The app's main objective is to help users improve their focus and concentration while working or studying.

The app's interface is simple and easy to use. Users can browse through the collection of songs and select the one that suits their needs. The app also allows users to create their own playlists and set a timer for each song, which is a useful feature for those who want to take a break after a certain period.

Overall, Zen Musica Concentracion is a great app for those who are looking for a simple and effective way to improve their concentration. The app's collection of relaxing music and the ability to create custom playlists make it a useful tool for anyone who wants to stay focused and productive.