If you're away from your desk, you can still access Control Center. Log in to Control Center from your mobile device using the login credentials you always use for Control Center. (If you've forgotten your username/password, you can retrieve them.) Control Center is mobile friendly and responds to the device you're using—whether computer, tablet, or smartphone, there's no app to download.
Using the mobile site, you can manage many of the services you do with the desktop version. For example, you can:
The mobile site works with these operating systems (or later):