Close the farmland biome you can find the savanna biome by walk straight ahead from the direction from the farmland village, in the path of savanna biome you will see some extreme hills, mountains, some waterfall, open caves even some animal pigs and cows.
Minecraft PE Seed: -1006519354 – Two Village
In this seed you spawn close two village, each of them located in each different biome, one of them located in the farmland and the other village has located in the desert biome. In the village located in the farmland have a blacksmith, the chest in the video below contain: two apples and some iron gear. But as we know the items in the chest spawn randomly, each time you reset the chest you will got the different items.
Seeds : -1006519354 Work in PE ver0.9.0+ or ver0.9.5