There is a Facebook post from a couple of days ago here that explains what is happening. In case you can't see that post, I'll quote it here.

Quote:

Virtual Town
May 30 at 1:00pm ·
Hello to our wonderful Virtual Town fans!!! We thank you all so much for your patience regarding the update to the game. We are still working hard on some hardware compliance and compatibility issues. We want to ensure your player experience is the best it can be. It is still not possible to provide a definite release date for the update, but please know that we will post on here with news as soon as we’re able.
_________________________
Barbara
Unicorn
Last Day of Work