To use the sheet music feature, simply select the song you'd like to play, then tap the 'Sheet Music' option. You'll see the musical notes displayed, guiding you on which keys to press in real-time.

Yes, Perfect Piano allows you to customize the sound. Go to the settings, select 'Sound Options,' and choose from various sound types such as grand piano, electric piano, etc.

To record your performance, tap on the 'Record' button located on the main screen. Play your piece, and when finished, stop recording. You can then save or play back your recording.

Perfect Piano offers multiplayer features that allow you to connect with friends online. To use this, go to the 'Multiplayer' section, create a room, and invite friends via a unique code. This way, you can play together in real-time.

To access the tutorial mode, go to the 'Learn' section. From there, select the song you wish to learn. You’ll find guided lessons that demonstrate each note and timing. Follow these steps: 1. Open the 'Learn' section. 2. Choose your song. 3. Watch the lesson and practice. 4. Play along with the guidance for improvement.