DJ Party Mixer MP3 Player 1.0.3
the author of this app says:
Last night a DJ saved my life. This app turns you and your smartphone into the life of the party. Take your on-device music library, compile and edit playlists and mix mp3s in realtime. Pro-features such as cue points and crossfades, both fully automatic and manually. DJ Mixer opens up a world of music mixing fun.