In MCPE Seed generates a beautiful island for survival. It was a bit bigger than the one in "SkyBlock", but no less interesting. The island has enough resources that can survive even the inexperienced players. On it easily get a house that is very beautiful to look. Using this seed in Minecraft PE you will find more interesting and informative things, and also get the opportunity to improve their skills of survival with a limited amount of food, blocks and other tools.
In this generation You spawning on the island, which is not too small, but not too huge.
Seed is for versions 0.15.x
The island is quite impressive in size, but not too big to get lost:
On the island grow flowers and there are many animals: