Here is an actual trailer.
This is another one that centers on White Rock Shooter, your main nemesis. It also promotes the White Premium Edition that comes with the WRS Figma figure.
And lastly, a super-short teaser movie.
Black*Rock Shooter: The Game for PSP releases in Japan on August 25th.
To Be Announced! Sunday, May 21 • 10am PDT/1pm EDT
Vandal Hearts Every Tuesday • 12pm PDT/3pm EDT
Tales of Symphonia Every Wednesday • 5pm PDT/8pm EDT
To Be Announced! Every Thursday • 5pm PDT/8pm EDT