The top row of your app screen is there for easy navigation in Yousician.
The Home tab is home for your content. You can access your Guided lesson and the instrument missions from the Continue learning row. The New on Yousician row showcases the latest popular songs available with Premium+. Scrolling down, you can find songs you've recently played as well as your favorites and collections. You can also discover songs recommended for you.
In the top left corner, you find your profile picture and instrument level. Selecting it gives you access to the Activity tab. Here can view your daily and weekly playing activity. You can also customize your goal for a session. You can either go for stars or choose the length of time you'd like to play. The goal can be changed to suit your needs for every session. Selecting the Profile tab allows you to view your progress for the selected instrument. The stats include total play time as well as the number of notes played thus far. You can also view your Followers and who you are Following.