Tizen may not have been the next Android, but at least Samsung’s homemade operating system is still more popular than BlackBerry OS. A recent report from Strategy Analytics claims that Tizen has now overtaken BlackBerry OS and become the world’s fourth most-popular mobile operating system. That may sound impressive at first, but keep in mind that just one custom version of Android (CyanogenMod) has more users than both BlackBerry OS and Windows Phone combined, so Tizen still has a long way to go, but at least it’s growing.