We have updated and uploaded several YouTube videos reflecting the changes and improvements that have been added to the PianoDisc iQ Player App. These can be viewed our YouTube channel, the playlist: Updates - PianoDisc iQ Player App - 2021
We hope to upload a couple more in the near future. If you have not updated the app recently, please do so. The current version is 2.0.6. Please feel free to contact us if you have any feedback or questions.