Blocks disappear when destroyed after a 1 second delay, same thing when placing blocks. They don't appear until 1 second passes (Samsung Galaxy Avant)
MCPE-13141
Block placement/removal delay
Resolved
Duplicate
0
(Unassigned)
Unconfirmed
Phone - Android - Samsung Other (Specify in description)
Android 4.4.2
0.14.0 Beta 4
Retrieved
Please search before posting. Searching mcpe unresolved block lag in the quick search would have easily found you the existing ticket.