Rapfox Video Player is a free, easy and high performance video player. You can play high definition videos in Android phone directly. 1. It supports rm, rmvb, mkv, avi, mp4, mov, 3gp, etc. Because it is based on FFMpeg, it supports lots of file formats and codes. 2. It is optimized for Android’s ARMv6 and ARMv7 CPU. 3. Its decode and display speed is fastest.