Karaoke5

Karaoke5 are 2 apps in one:
1) System for booking Karaoke, PianoBar, Jukebox, voting on your PC and all directly from your smartphone.
2) It's a player where you can sing millions of songs to karaoke, you just have to do a search and press the play button. With the player you can vary the pitch and tempo of the song. Good fun.