Shortcomings in Multiplayer Piano

Pop-up windows with advertising
Pop-up windows with advertising very uncomfortable, can the developer remove the pop-up windows with advertising.

Lags
Lags are appear due to Pop-up windows with advertising or due to hard music.

Not loading some parts of the piano
Not loading some parts of the piano due to lags or due to small WIFI. On not loading part of the piano  impossible hear piano sounds.

I not hear piano sound
You do not hear all the notes because, you or other user or other users done spam.