A free app for Android, by ppgirl.

Karaoke Machine is a revolutionary app for android platforms that transforms the popular video site YouTube into karaoke and an audio-visual entertainment application. With this application, you can sing any song you want with the help of a musical accompaniment, remove or reduce the vocals of any song you like, add your background music, and even create and sing your music videos. 

The Karaoke Machine app for android is the best karaoke player. This app can sing along with your favorite songs and videos, including YouTube videos, and play your music in the background. 

It is a third-party app that is not affiliated with YouTube. YouTube services provide all the content. 

The user interface is designed in a straightforward and easy-to-use manner, with an intuitive interface.