play music when you open it??? you mean slider sounds?????? in the future search for slider sounds and you would have found the app that is to be used. and they must be wav files. also be sure to post all the questions in the help desk i will move for you this time but in the future please post in the correct area there and heres the link. https://www.androidmobilejunkie.com/showthread.php?t=143412&highlight=slider+sounds