The ASUS ZenFone 6 is the likely successor to the ZenFone 5z that launched earlier this year. Slashleaks claims to have new images of the ZenFone 6 that show several variations on the placement of a smartphone's cameras. This includes one in which a device has an odd, off-center 'droplet' notch.
https://www.notebookcheck.net/New-leaks-suggest-that-ASUS-considering-odd-use-of-notch-for-next-ZenFone.347086.0.html