The National Anthem of Bangladesh app, developed by Sonar Bangla, is a free Android app that plays the song 'Amar Shonar Bangla,' written by the first Bangali Nobel Laureate Ranindranath Tagore inThe first 10 lines of the song were adopted as the National Anthem of Bangladesh after liberation inThe app includes the full song in two versions: instrumental and artist's voice.

The app is a great way to experience the national anthem of Bangladesh. Users can listen to the song anytime, anywhere, and in any version they prefer. The app is easy to use, with a simple interface that allows users to switch between the instrumental and artist's voice versions with ease. However, it should be noted that the music used in this app is not an original work of the app developer, and the credit goes to the respective artists. The app developer has used the music under a fair usage policy to promote Bangladesh and Bangladeshi culture to the world.

Overall, the National Anthem of Bangladesh app is a great addition for anyone who wants to listen to the national anthem of Bangladesh on their mobile device. The app is free, easy to use, and provides users with two versions of the anthem to choose from.