[0.7.1] - Fixed a problem that can not be selected MIDI file in a specific model.
[0.7.0] - Added the Feature to display the auxiliary line that indicates the time signature.
[0.6.0] - Fixed a problem that can not be selected MIDI file in a specific model.
[0.5.1] - Added the ability to zoom in and out of the score. Operation button is displayed when you tap the score. - Sped up the score rendering process.