WAZUp is a Windows Azure management app for Windows Phone that allows the user to view all current deployments and instances found on your account. The app asks for credentials prior to using the app in each instance, this is the login information for the app itself (registration steps can be found below) and not your Live ID.
All data sent back and forth is sent via HTTPS and certification is used for full Windows Azure API security. The password is not stored locally and thus the app will ask you each time you open the app. Deployments listed in the app are color coordinated, matching those used in the web management portal (red - off, green - live, blue - starting). The user is able to start and stop deployments in a few finger pressing actions.
Registering for the service and carrying out the necessary preparations should be completed using the walk through found on the app website. The walk through steps involve registering an account, bringing across the subscription ID of the service you wish to have connected to the app, implementing security certificates and setting up the app.