the description for wooden door says "Wooden doors are activated by using, hitting them or with Redstone." the problem is, in pocket edition they cant be activated with Redstone!
MCPE-6604
wooden door description
Resolved
Works As Intended
0
(Unassigned)
Unconfirmed
Tablet - iOS - iPad 2
crafting, description, door, redstone, woodendoor
0.8.1
Retrieved
They may be putting that for the future updates