Enable the app in the Settings menu. If you are missing a pre-installed app on the Application screen, you may have disabled it by mistake.If you are missing a third-party app from the Application screen, you may have uninstalled it by mistake. Download and reinstall the app from Google Play™.Verify what apps are installed on your device.Verify after each method whether the problem was solved, before trying the next one. For example, some Xperia™ devices that run on Android™ version 4.2 or higher have the option to hide apps from the Application screen. The following are possible reasons why an app no longer appears on the Application screen:
