PEGI (the Pan European Game Information system, which is the European version of the ESRB) may have just tipped off gamers about the next move for Hello Neighbor. TinyBuild Games recently released the full version of the game on Xbox and PC, but the PS4 and Nintendo Switch seemed to be left out of the loop. However, according to PEGI's website, the indie title was originally set to appear for both those consoles in December 2017.
We, of course, now know that info is incorrect. However, it does mean that versions of the game were made for both consoles and approved by PEGI, meaning we should probably expect an announcement from TinyBuild soon. At least, one would hope.