Issue: no sound when selecting door to open or close when within a three square radius.
Solution: None so far, however sound seems to be fine when further than three blocks away and activating the door.
MCPE: 0.9.0-build1-2
Device is Motorola droid RAZR M xt907
This issue has been reported already. It has been linked to the original bugreport.
Please search before reporting any bugs, as it's likely that one exists already.