I know how in pocket addition! Get "maps for Minecraft(マインクラフト) PE" and make sure あなた have pocket edition on your device. Use the 検索 function to look for "Stampy's lovely world-remake" hit the download button, and あなた have stampy's world in pocket edition! To find it, scroll to the bottom of your ロスト of worlds.
*NOTE: Stampy does NOT play in this world(not in PE) But its almost exactly the same as the one he plays on Xbox!