Yes, once you buy the game everything you get/update is for free. You don't have to pay anymore.
Usually on Xbox live, all updates are free. So you won't need to pay for the updates.
No, you only pay for it one time. All updates are free.
Yes. The price increases as the game updates, so buy it quickly!
No, not at all! All of the Minecraft updates are completely free and always will be.
It updates Minecraft to the latest released version.
Minecraft updates are released on the same day.
That would be Herobrine. He is a made up minecraft character, that is Notch's dead brother. If you look at the minecraft updates you can see "-removed herobrine" in some of the updates.
Go into the google play store and click on 'My Apps' scroll down the updates section until you find Minecraft, then click update. If it is not there then there are no updates available.
There are going to be more updates according to Notch.
no
minecraft wiki has a good info collection including future updates and ideas by notch/jeb
No, updates on Minecraft are completely free. Once you purchase the product you do have the option to upgrade or not if a new version does come out.