"Focus", a Simple App which helps you Concentrate on your work without any Disturbances by completely Disabling / Locking your Phone for a specified time period... You can take the Easy Mode & take Breaks or just Go Full on with the 'No - Break' Mode!Stop Procrastinating,& Be Productive!MIUI Users: You need to Grant PopUp Permission, follow below Instructions:Go to Phone Settings > Installed Apps > "Focus" > Permissions (Permissions Manager) > Display PopUp Window > Accept!