You are downloading Sing! Karaoke by Smule 6.9.1 APK file latest free Android App (com.smule.singandroid.apk). Sing! Karaoke by Smule is a free Karaoke app which is rated 4.10 out of 5 (based on 3 reviews). Sing! Karaoke by Smule can be downloaded and installed on Android version 4.4.1 (KitKat) and above. Sing your favorite songs with audio effects and video filters.