Game site (Japanese)
Google translation of above site
And a picture:
![Posted Image](http://img18.imageshack.us/img18/1672/grounstream.png)
The window is small, though you can set it to full-screen.
One problem though is that the music doesn't seem to work. Since everything about Grounstream is in Japanese, I'm having a hard time figuring out how to fix that.