ニコ生コメントビュアー

It is a viewer to see the comments of Nico Nico Live Broadcasting. (informal)

It is a viewer to see the comments of Nico Nico Live Broadcasting. (informal)

Since you can't watch the broadcast, it's mainly a viewer for the owner.

The name is Nico Nama Comment Viewer, but it easily supports the comment display of Periscope. However, there are some deliveries where Periscope cannot see comments.