GPlayer is simple mp3/aac/ogg/flac player for Android that uses GStreamer as base.
GPlayer currently uses GStreamer version 1.6.1, GStreamer's Android precompiled binaries and headers, can be found here: http://gstreamer.freedesktop.org/data/pkg/android/1.6.1/
There is no need to compile GStreamer from sources.
GPlayer is licensed under LGPL 3.0
LGPL 3.0 https://www.gnu.org/licenses/lgpl-3.0.txt or https://github.com/profrook/GPlayer/blob/master/COPYING file in this repo