If you're reading this, it means OpenShift is working. It means Drupal is set up using a free tier "gear" on RedHat's OpenShift PaaS. It's actually not completely easy for those of you used to a real VPS for hosting, and it's not any easier for those who are used to FTP-only shared hosting either. But you won't have to bother installing an OS, or installing Apache, PHP, and MySQL. On the other hand, you won't have much control over which version of those you run unless you code your own OpenShift "cartridges" which is much more work than simply installing packages on a server.
More on creating LAMP application gears on OpenShift in an in depth blog post.