.. What is there to find in George's apartment?

See that little purple glow on the credenza at the right? That's George's tablet.

A readthrough of George's emails shows that someone named Michael was desperately trying to get in touch with him.

How do I find Michael?

That's it here, except for the patio through the sliding glass doors --

-- and if you send Joey out to look at the snow on the roof, he'll meet someone interesting.

Who is this woman on the roof?