Winterfell is a small town located in north part of Westeros, and residence of the king in the north. The model of the town, was taken from original TV show - Game of Thrones by WesterosCraft team. They planning to recreate the entire Westeros in the Minecraft map.
How to install:
Download and unzip archive
Then go to the any File manager
And copy the map in to the "/storage/emulated/0/games/com.mojang/minecraftWorlds" folder.