Re: why in android kitkat built in music player is remove?
Welcome to Android Central! You'd have to ask Samsung that question. System updates often add new features (as well as bloatware), but sometimes they also remove some preinstalled apps as well. This was a problem on the Droid Razr (I think) when they eliminated a basic note-taking app with a system update, without widely publicizing this change. There were a few people who were pretty irate that all of the notes they made with that app (and assumed would be saved) vanished when the app was removed during the update.