Pocket Edition v0.12.1 alpha build 4

v0.12.1 alpha build 4 is the fourth build released for v0.12.1.

Changes

 * Quartz pillars can now be placed directionally.
 * Trying to connect to old versions of the game will now show an error message.
 * Added recipes for golden apple and enchanted golden apple.
 * Added enchanted books to the creative inventory.
 * "Stone Cutter" and Crafting Table screens will now close if blocks are destroyed while having it open.
 * Improved controls

Fixes

 * Other
 * Farmland is not destroyed when jumping on it in multiplayer
 * Pressing the inventory button did not get the player back from multiple inventory screens.
 * Crafting recipes were wrong in multiplayer.
 * Partial blocks did not work properly in multiplayer.
 * Game crashed when entering the nether repeatedly.
 * When a controller is disconnected, the player continues the last action and other stuff.
 * Players cannot drink potions in creative mode.
 * Bane of arthropods does not deal additional damage to spiders.
 * Furnace displayed blocks that were not in the player's inventory.
 * Sky color is really dark. (Flat Worlds)
 * Left Handed controls option.

Pocket Edition Alpha 0.12.1 build 4 Pocket Edition v0.12.1 alpha build 4 Version portable Alpha 0.12.1 build 4 Pocket Edition v0.12.1 alpha build 4 Edição Pocket v0.12.1 alpha build 4 携带版0.12.1.b4