Sparrows are very attractive to people, even to those who do not like to do birding. This is because they often bring lots of joy. This application, which makes the sound of an attracting sparrow, is a free application. It can be downloaded and used on Android devices. It is useful for those who want to attract their sparrows to their home. It can be used to help you with the maintenance of your birds, who are often very diligent and loyal. It can be used to help you to attract other birds, such as the blackbird, magpie, warbler, etc.