Just watched Engadget's hands on with the Xperia Play version of Minecraft. A few things that I didn't know about it...
- no day/night cycle currently. No creepers/zombies etc, just daytime building.
- no crafting. You've got a set amount of blocks you can use and you seemingly delete/place blocks instantly, no pickaxe required not 100% on this?)
- it looks like you jump automatically when you get to an edge.