No but minecraft is available through the PlayStation store
Because the important part of Minecraft is the online premium account, it doesn't make sense to distribute the tiny client file on DVD.
There is no disk version, it's all online.
No, you cannot.
You can't
Minecraft takes up approx. 200mb of disk space
I'm not sure if it ever will.
No, it is a download from XBox Live Arcade.
No. It's sold online. The link can be found below.
No the disc for minecarfty 360 version has no been released there
No, the most important part of Minecraft is a premium account which needs to be registered online. Since the client program itself is only tiny, there's no real point selling it in disk form, you can get it online after registering your account.
I didn't make Minecraft.