If you punch creeper the creeper doesent have any sound is there are bugs ?

I start survival games in minecraft
I found creeper and i want to kill him and i punch him
And that creeper dont seem have any sound damage like SSSTTTT

And that kinda weird ?

It wont be fun anymore without sound ambient

And my device name is Samsung galaxy tab 3v
Sm-T116NU
ANDROID 4.4.4 KITKAT