My Japanese is terrible, but here are a few things I managed to gleam from blog entry #584 (sorry if I get things wrong):
- Rose Guns Days trial is nearly ready. Mastering is scheduled for tomorrow.
- Ryukishi07 wants everyone around the world to play it (not sure if he's referring to the trial or the actual game).
- Rose Guns Days uses ADV format instead of NVL format like 07th's previous games (see below for example).
- Trial should give the player a better idea of what the world of Rose Guns Days is like.
Here's a screenshot that was posted for April Fools. So it's not from the actual game, but the ADV format will probably look similar to this: