This is a great lock screen app, you can change the button to a picture, this way, it will not only be unique but also makes the data more secure. In order to ensure the security of the data, we take a picture of each button, so that others cannot view it. With this feature, you can easily lock your screen and also make it difficult for others to view your data. Apart from that, we also provide users with a great lock screen that can be used to set the password.