Musicolet - Musicolet is a small yet feature-rich offline Music Player for Android.
Samsung Music - Samsung Music app supports playback of almost all audio formats so you can effectively enjoy songs from your phone’s storage.
AIMP - AIMP : Free Audio Player : Официальный сайт программы
Samsung Video Library - Samsung Video Library app allows users to browse and watch video clips from the phone’s internal storage.
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Poweramp - Music Player for Android