Another 'shape' - square? rectangular? star?
The two listings on the Swedish site have the same catalogue number as the one on the official 2L site, which only lists the 2008 released title. It's reasonable to conclude they are all the same and the 2010 date on the Swedish site is probably either mistaken or reflects when it is locally available or first listed.
There is no such thing as 3.0 Blu-ray Disc, in the same way there are no 1.0 or 2.0 Blu-ray Discs. The profile numbers refer to hardware. BRAA - I tried searching Google but it turns up with...
I'm not sure if the Blu-ray Discs with audio and static menu or picture slide shows qualify to be properly called audio-only Blu-ray Discs or Blu-ray Audio Discs or whatever. When you play the audio, the menu or track listing screen still shows rather than going blank. That is either video with a static image or a graphic overlay in a video stream.