When? That's an easy one, when Apples bloody ready.
What's included? Whatever Apple feels like.
See how easy that is.
What's the fasination with live wallpaper? Is it to show your friends? I don't unlock my phone to stare at the wallpaper. Yeah it looks nice, but has no real purpose.
Reread the OP question. You answered when it will and what it will be. Th Op asked what/when YOU think.
Oh please...
You're over-thinking this.
I *did* read the post and responded with my answer.
Perhaps you're in the wrong forum.