Price starts at €999 and releases in April, and will come with Plasma 6.
Android? It’s not wholly closed source similar to RedHat they’ve got closed source elements while using open source elements.
Linux and its kernel are based on GPL and so to distribute something using it would require a compatible license. That means a full distro can’t be anything but open source and actually be distributed in free or paid versions. That doesn’t mean there aren’t closed source interfaces being used personally or undistributed.