As per your concern, we would like to inform you that there is no option to blur the application.
If you want to hide application kindly follow the bellow steps:
To un-hide the app: Go to menu apps>tap on Settings>Tap on home screen>Select Hide Apps>Tap on the application you would like to hide>Tap on the Remove (-) icon on the hidden app to remove it from the list of hidden apps. Finally, tap on Done to save your changes> Then select Done to apply the changes.
