The possible time to submit it and have apple approve it will be probably at 12:00 pm midnight. (POSSIBLY)
yes
July 11-14, 2012
As of 2012 April, no. They are thinking of adding it though.
February 8th 2012 can't wait
It was submitted on April 13, 2012 and has to get approved by Apple. This will be 2 weeks more or less. Source: Pocket Edition Wiki
Minecraft is a sandbox game that many people got attracted to during 2011-2012. Pocket Edition of Minecraft has its own advantages and disadvantages, like EVERY game in the world. Pocket Edition allows you take pictures and vanilla Minecraft doesn't have a camera at all. Pocket Edition, however, only allows you to carry 5 items on hand and vanilla Minecraft allows up to 9-10 items (I don't remember the EXACT number). It is up to you now to buy it or not.
February 22 2012. If this is for the new Minecraft update
There has been a lot of buzz surrounding the upcoming Minecraft - Pocket Edition updates, and with the promise of Survival being added to the hand-held port, players have been anxious to enhance their portable experience. Now, the wait for an update is drawing to a close - Carl tweeted only minutes agothat the Pocket Edition updates will be released as early as tonight! The Android version will likely see the update first, with other platforms following suit in the near future. -Posted on February 10, 2012
The update came out today (October 25, 2012) !
April 3 2012
Sometime in December 2012
August 1st, 2012.