August 1.
Minecraft has already been officially released, but is still being constantly updated.
There is no confirmed date, probably after Minecraft is completely done with all updates.
Middle of June
The developer (Mojang) has released updates for Minecraft: Pocket Edition. The last update as of this writing was on 12/18/13.
Super Battle Heaven Forever - 2013 Chimney Swift vs Minecraft Universe Skyrim in Minecraft 1-13 was released on: USA: 15 February 2013
Minecraft High After Hours - 2012 1-3 was released on: USA: 13 February 2013
As of March 2015, Minecraft has not been announced for the Nintendo 3DS. The chance of Minecraft being released on this system is also extremely slim because Minecraft was bought by Microsoft and the 3DS hardware isn't very strong.
The beta version of Minecraft was released on December 20, 2010.* * Minecraft-beta came after Minecraft-alpha, but before Minecraft 1.0. You can play Minecraft-beta with the new launcher.
Minecraft Quick Build Challenge - 2012 Mario 3-3 was released on: USA: 13 November 2012
Not anytime soon. Once a snapshot comes out, that'll indicate it being released soon.
No, there is no Minecraft Game for the Nintendo Wii U. However, it was announced that Minecraft Story Mode will be coming to the Nintendo Wii U
Minecraft was released in May 2009.