Connect you phone to a loudspeaker via bluetooth or mobile jack. And your mobile would convert into a Mic/Microphone. There is equalizer support in the app to modify some frequency components of your speech. You can also choose from given presets like Jazz, Pop, Rock, etc. Features of this application : - Turning smartphones into a microphone/mic - Sing karaoke using smartphone as mic - Record your speech on the fly to listen later - All the audio/speech is recorded as mp3 and stored in "PhoneM