Minecraft wiki how do you play skyblock

http://minecraftbedrock.wikia.com/wiki/Thread:23362

My World Won't Load [SOLVED] ' Minecraft Bedrock Wiki ' FANDOM ...

minecraftbedrock.wikia.com/wiki/Thread:13205

Apr 2, 2018 - I've been working on this one world for a while now and just this morning when I went to do some work on it the text said: "Generating world" and the status bar ... Installed Game, But WON'T LOAD! [SOLVED]
Apr 5, 2018
My World keeps crashing when loading
Apr 4, 2018
Minecraft PE won't open particular world in Kindle Free Time, but ...
Apr 2, 2018
Minecraft world won't load!

If it is installed, probably.

The developmental alpha version was release on 17 May 2009. See http://en.wikipedia.org/wiki/Minecraft

Sky Block HD. Is this link helpful?

From the information provided, it is unclear what you are asking.

Here is the Minecraft Wiki page for Command Blocks:

http://minecraft.gamepedia.com/Command_Block