Emby Media Server (what was called Media Browser) is great system to use to store your personal media collection on, they have clients for a wide range of platforms include Windows, iOS and Android.
The Emby team have just released an all new version of the Emby app for Android which adds many new features:
Mobile Sync has come to the Android app so that you can sync your videos, music, TV and movies content between devices. Also cloud sync is supported. In in the updated Android version is a live TV EPG. So you can browser your Emby Server’s EPG and schedule recordings from the app (this feature requires a onetime purchase or Emby supporter membership).
Other changes include an easy start-up wizard, automatic network switching, full remote control support, fast search, and a new video player.
In other words a lot of changes!
The app is free from the Google Play Store.