Pocket Edition v0.9.0 alpha build 1

Alpha 0.9.0 build 1 is the first build version released for Alpha 0.9.0.

Additions

 * Unlimited worlds.
 * New culling algorithm.
 * New culling of clouds.
 * Tile entities are saved differently.
 * New falling mechanics for sand and gravel.
 * New insta ticking of water and lava.
 * New world generation features:
 * Boulders
 * Ice patches
 * Ice spikes
 * Lakes
 * Double plants
 * Tall Grass
 * Jungle trees
 * Mega Jungle trees
 * Mega Spruce trees
 * Acacia trees
 * Huge mushrooms
 * Lilypads
 * Vines
 * Melons
 * Pumpkins
 * Dead bushes
 * Dungeons
 * Desert wells
 * Fallen logs and stumps
 * Emerald ore
 * Caves
 * Lava at the bottom of caves
 * Caves in desert and mesa
 * Strongholds
 * Villages
 * Villagers
 * Abandoned mine shafts
 * Superflat world type
 * "New" mob spawning.
 * Updated light generation.
 * Grass and foliage colors for different biomes.
 * Water color for swamps.
 * New and updated biomes:
 * Desert
 * Extreme hills
 * Forests
 * Redwood taiga
 * Roofed forests
 * Jungle
 * Savannah
 * Mesa
 * Mushroom island
 * Taiga
 * Deep ocean
 * Swamps
 * New blocks:
 * Podzol
 * Mycelium
 * Huge mushroom blocks
 * Cocoa
 * End portal frame
 * Double plants
 * More stairs/slabs for new wood types
 * Dark Oak and Acacia wood
 * Dark Oak and Acacia leaves
 * Slime, Endermen, Mooshroom, Wolf, Silverfish and Zombie Pigman spawn eggs
 * Stained clay (In all its 16 colors)
 * Lilypad
 * New flowers
 * Red sand
 * Hardened clay
 * End stone
 * Granite
 * Diorite
 * Andesite
 * Emerald block, emerald and emerald ore
 * Packed Ice
 * Version exclusive :Grassless Dirt
 * New leveldb based saving format.
 * New entity handling.
 * New crafting screen.
 * Remade network code (mostly the same packages but new system).
 * New interact button (to make the game easier for new players).
 * New mobs:
 * Slimes
 * Endermen
 * Wolves
 * Mooshrooms
 * Silverfish
 * New AI:
 * Spiders
 * New leaf rendering.
 * Added more spawn eggs in creative.
 * Added immersive mode for Android.
 * Only Android 4.4 KitKat
 * You can have it in other versions with 3rd party-apps
 * Added drip particles for water and lava.
 * Updated create world screen - now includes Superflat, Infinite and 'old' world types.

Changes

 * Correct name for stairs, slabs and spawn eggs.
 * Beds no longer gives full health in normal difficulty.
 * Smooth lighting added for:
 * Beds
 * Fences
 * Walls
 * Cobweb
 * Chests
 * Leaves
 * Smooth lighting removed for:
 * Glowstone
 * Glass
 * Jack 'o' lanterns
 * Improved performance of TNT.
 * Prettier clouds.
 * The fog is darker underground.