MP3 Video Converter - Extract is an Android multimedia app developed by XCS Technologies. This app allows you to convert your video files to mp3 format easily and quickly. With just a few taps, you can extract the audio from your videos and save them as mp3 files. The app supports various types of videos such as 3GP, FLV, MP4, and more. It also supports various types of audio formats including MP3, AAC, and M4A.

One of the advanced features of the app is the option to update ID3 tags or meta information on the extracted mp3 files including title, album, and artist. Additionally, the app allows you to choose from different bitrates ranging from 8Kbit/s to 256Kbit/s. It also supports multiple video to audio conversions together with no limit. The app uses LGPL ffmpeg and libmp3lame libraries as codec.

The app is free to use and has a simple user interface. You can easily select the video file you want to convert and tap on the convert button to extract the audio in mp3 format. The location or target directory to save the mp3 files can be updated in the settings. However, it is important to note that the app only supports ARMv7 and higher.