A free program for Android, by GrowUp Infotech.
DJ Mixer – Music Mixer is a versatile DJ mixer that lets you easily create and mix your own songs by letting you edit different elements of your track. You can also apply different types of effects to make the music sound better.
It is a very easy-to-use application with a simple user interface, so even if you have no previous knowledge of DJing, you can still make a good mix.
To get started, select the songs you want to mix, apply the effects you want to add, and then start mixing them. You can also use the different music tracks to add effects to.