https://github.com/fulldecent/FDWaveformView https://github.com/fulldecent/system-bus-radio https://github.com/fulldecent/FDTake https://github.com/fulldecent/FDChessboardView https://github.com/fulldecent/FDSoundActivatedRecorder

And more emoji: https://gist.github.com/rxaviers/7360908