￭ Single Player only.
￭ Portrait mode only.
￭ It is harder to perform accompaniment or play MIDI sound, drum sound or music than piano sound in some virtual piano softwares.
￭ Performance is not perfect, even in real instruments.
Limitations within softwares.
￭ Keyboard and mouse response rate occasionally become low/flat.
￭ MIDI sound cannot be controlled due to the 50e0806aeb nemquee