The Pocket Edition version of this texture pack was ported by Jacques Remy
and is uploaded in the thread and blog:

http://www.minecraftforum.net/topic/1842225-best-hd-texture-packs-ported-by-jacques-remy-janinacraft-john-smith-more-available-now-080/

http://mcpocketedition.blogspot.com/

you can visit these sites to get this and more texture packs.

The original pack was made by Dack105 for the PC version
you can download the original pack from the forum thread:

http://www.minecraftforum.net/topic/1887488-172-stock-32-wip-beta-v3-detailed-and-unified-default-textures/

His terms of use:
Do not re-distribute files included in the download or modified versions of them. If you want to use my work for anything other than personal use (or YouTube videos, which I encourage), then contact me through this thread or PM. 

This work is protected by a Creative Commons Attribution-NonCommercial 4.0 International License.

It means that you are not allowed to

-Rename the textures
-Put your name in the pack
-Use it for commercial purposes
-Share it without a link to the original sources
-Upload it to your own hosting account

However you are allowed to

-Make reviews
-Share the links of the original sources
-Change the pack only for personal use