Sauce Labs
Sauce Labs is a means for emulating various devices for use in testing.
E.g. emulate different Android or iOS devices instead of needing physical machines on which to test a web application.
Login to Sauce Labs https://saucelabs.com/account This URL will provision your account and log you in to Sauce Labs. Save this URL as a favorite as this is the only way to access Sauce Labs.
Granting the Sauce Labs access to your application. In case there is a firewall that limits access, so a firewall modification must be made to enable testing.
Access the application using Sauce Labs "New Interactive Session" option from Sauce Labs page
If you are experiencing issues with Sauce Labs, you can review their status website to see if they are experiencing an outage.