This has been an issue ever since minecarts were added. Minecarts are supposed to have a sound when riding in rails. This sound is missing in MCPE making it just be silent when riding minecarts.
MCPE-8299
Minecarts are missing the sound.
Resolved
Works As Intended
0
(Unassigned)
Unconfirmed
Phone - Android - Samsung Other (Specify in description)
0.10.4, 0.10.5, 0.11.0 Beta 5
Retrieved
This is not a bug it is a request. Please use the mine craft forums to list your suggestions.