This basic app let you test basic colors in the screen phone and try to fix it from those burn marks like Keyboard, Notification Bar,Navigation Bar, Apps due of the daily use. This app doesn't ensure your screen is going to be fully repaired, it depends how much damage is made to your screen. You need to increment the reparation time gradually to find what is the better option to your problem and test the different reparation methods. Support for devices with Notch. TechSofts doesn't make responsible how this app is used.