Huawei is now linked to multiple different possible names for its well-publicized in-house OS, which may replace Android on its phones in the near future. A new possible leak has turned up another new such term for this system: Harmony. It has allegedly been trademarked in the EU for this purpose.
https://www.notebookcheck.net/Huawei-allegedly-trademarks-yet-another-new-OS-name.427409.0.html