Pocket Edition v0.9.0 alpha build 1

v0.9.0 alpha build 1 is the first build version released for v0.9.0 alpha, and the first build version released in 2014.

General

 * Added immersive mode for Android.
 * Only Android 4.4 KitKat.
 * You can have it in other versions with 3rd party-apps.

Gameplay

 * Superflat world type.
 * Updated create world screen - now includes Superflat, Infinite and 'old' world types.
 * Unlimited worlds.
 * New falling mechanics for sand and gravel.
 * New insta ticking of water and lava.
 * Grass and foliage colors for different biomes.
 * Water color for swamps.
 * Added more spawn eggs in creative.
 * New interact button (to make the game easier for new players).

World Generation

 * Boulders.
 * Ice patches.
 * Ice spikes.
 * Lakes.
 * Double plants.
 * Tall Grass.
 * Trees:
 * Jungle trees (small and large)
 * Mega Jungle trees
 * Mega Spruce trees
 * Acacia trees.
 * Fallen trees.
 * Oak trees (swamp and large oak variants).
 * Huge mushroom.
 * Mossy cobblestone boulder.
 * 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
 * Abandoned mine shafts.

Biomes

 * Extreme hills.
 * Redwood taiga.
 * Roofed forests.
 * Jungle.
 * Savannah.
 * Mesa.
 * Mushroom island.
 * Deep ocean.
 * Swamps.

Blocks

 * Podzol.
 * Mycelium.
 * Huge mushroom blocks.
 * Cocoa.
 * End portal frames.
 * Double plants.
 * Dark Oak and Acacia Wood
 * With their Stairs, Slabs, Planks, and Leaves variants.
 * Saplings:
 * Jungle saplings,
 * Acacia saplings,
 * Dark Oak spalings.
 * Stained clay (In all its 16 colors).
 * Lilypad.
 * 12 new Flowers:
 * Blue Orchids
 * Alliums
 * Azure Bluets
 * Tulips (red, orange, white, pink)
 * Oxeye Daisies
 * Sunflowers
 * Lilacs
 * Rose Bushes
 * Peonies.
 * Red sand.
 * Hardened clay.
 * End stone.
 * Granite
 * With it's polished variant.
 * Diorite
 * With it's polished variant.
 * Andesite
 * With it's polished variant.
 * Emerald block
 * Emerald Ore.
 * Packed Ice.
 * : Grassless Dirt.

Items

 * 6 Spawn eggs:
 * Slimes
 * Endermen
 * Mooshroom
 * Wolf
 * Silverfish
 * Zombie Pigman.
 * Emeralds.

Mobs

 * Slimes.
 * Endermen.
 * Wolves.
 * Mooshrooms.
 * Silverfish.
 * Villagers
 * Baby villagers.

Others

 * Particles:

General

 * Prettier clouds
 * New culling of clouds.
 * The fog is darker underground.
 * Textures
 * New leaves rendering.
 * Inventory/GUI
 * New crafting screen.
 * Stonecutter UI Changed.

World Generation

 * Removed generated structures:
 * Oceans
 * Added as a biome instead
 * Gravel beaches
 * Frozen Oceans
 * Will no longer naturally generate

Biome

 * Removed biomes:
 * Shrubland
 * Seasonal forest
 * Rainforest
 * Tundra

Blocks and Items

 * 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.

Mobs

 * "New" mob spawning.

AI

 * Spiders.
 * Now spawn from leaves, creating a higher amount of spiders in tree-rich biomes at night.
 * Animation is now twice as fast.
 * Improved AI.
 * Zombies.
 * Zombie AI and mechanics changed, made much more horde-like.

Others

 * New culling algorithm.
 * Tile entities are saved differently.
 * New leveldb based saving format.
 * New entity handling.
 * Updated light generation.
 * Remade network code (mostly the same packages but new system).