Cant Play World !!

Phone : Xiaomi Redmi Note 3 Pro
System : Android 6.0.1
OS : MIUI
Issue : Cant Play World !! ( play button doesnt Work )

Sometimes the MCPE is like this. That so anoyying for me. Because in some important Moment i cant play the world !
This is small Bug but please fix..

Note : The issue is in the video 👇