My Scores lists all the scores which are stored in your online Musescore account, both private and public. To access My Scores, tap the Library tab at the bottom of the Musescore mobile app and scroll down.
Add a score to My Scores
To add a score, you can either upload a Musescore (MSCZ) file via the Musescore website, either directly store it from the Musescore notation software via File > Save Online. Learn more about how to upload a score.