A free program for Android, by Boosters.io.

DJ Music Mixer – Dj Remix Pro is an app that lets you mix and remix your favorite songs and mixers. You can mix two songs at the same time, and cross-fade between them. The app comes with a built-in equalizer that lets you get the best sound. DJ Remix Pro is a complete DJ mixer app, where you can mix songs, remix songs, scratch, and add effects to your music. It comes with a built-in sound effect mixer and a built-in music effect editor. You can add effects, change the pitch, and alter the tempo of your music. It is a very easy-to-use app, that will be useful to you.