What do I need from Chen's apartment

Hint 1 of 10:

You should have gotten his ID from the VidPhone.

Hint 2 of 10:

And if you've been to the bathroom,

Hint 3 of 10:

you should have gotten the white drug patch.

Hint 4 of 10:

He also has a hidden safe around here.

Hint 5 of 10:

It's behind that dragon statue of his.

Hint 6 of 10:

Click the cursor on its eye.

Hint 7 of 10:

His combination is literally everywhere (almost).

Hint 8 of 10:

The same 4 digits re-appear on his VidPhone.