Because it’s the only one available and lousy is better than none. At least this shows one of the twenty-four handed out to lucky people at the introduction (this shows number nineteen of twenty-four).
Someone else ripped this from Youku and posted it to YouTube.
It’s full of speed-ups.
Previously here:
First Review Of Nokia N1
Nokia N1: First Owner AnTuTu Scores
Nokia N1: First 20,000 Sold Out
Nokia N1: 1,599 Yuan (US$257)
While I Sleep: Nokia N1 Introduction
Nokia N1: What Price?
Nokia N1 Hoodie
Nokia N1 45,000-Range AnTuTu?
Nokia N1 Reservation Page Active
Nokia N1 Vs. iPad Mini 3
Nokia N1 Tablet: Two New Photos
Nokia N1 Tablet Event In China
Nokia N1: 1.37 Million YouTube Views
Nokia N1: How Much Is Really Nokia?
Nokia N1 Has Open Bootloader
Nokia N1: How Much Is Really Nokia?
Nokia Mimics China With An iPad Mini Clone
Mike Cane’s xBlog 
So the user is mirrored on colours of dark or intermediate shades. The video avoided pointing to directions of windows or lights while the tablet was on, so we cannot be sure yet how nasty indoor mirroring really is. Outdoors, I have little hope so far.