You got an emeralds and some not-so-rare food in the blacksmith. The stronghold has found in the well, swim to the bottom, break it. Quickly, you will find yourself into stronghold.
Minecraft PE Seed: legend of luuc – Village,Stronghold
This seed you show you an medium village with a blacksmith (good loot) as well as a stronghold under it. From the spawn point, as you can see surrounding area is: plains, mesa, and desert. And just go ahead and soon you will reach to the desert village.
Seeds : legend of luuc Work in PE ver0.9.0+