A free program for Android, by Power Star APPS.

If you consider your voice your most cherished asset, this Easy Microphone is probably going to be your most precious virtual tool.

This brings to your mobile device all the capabilities of an actual microphone – which should assist you in your rehearsals or vocalizations. You can even use this for mini concerts and karaoke parties.

You can use this as an actual microphone, a megaphone, or an amplifier. It makes your voice louder and more resonant. All you need to do is plug your device into a stereo system, or if not that then by Bluetooth. Switch the on button. You are ready to use the mic.