A free app for Android, by Panchgani Hive.

Do you like to experiment with different sounds and make interesting music? If the answer to both these questions is yes, then the Audio Video Mixer app is for you. This app is a simple yet powerful tool that can help you combine two audio clips and add music or even an entire playlist. The app is extremely easy to use and will allow you to add multiple songs to a single clip.

There are a lot of different options that you can choose from, and you can even change the audio quality. The app can be a little overwhelming at first, but it is a very simple and easy-to-use tool.