It is indeed focused on children. However, adults who never had a proper music education will be provided an open door to the wonderful world of music making, too.
The app was intentionally kept simple, it comprises only of an octave and a half, and it provides no clef or beat adjustment. The sound-drops can contain either a smiley or the respective note itself. Their colors become darker with decreasing tone-pitch.
The length of a song is not limited. You can add as many pages as you like. Navigate between them with the arrow-buttons.
The button with three rings plays the entire song, the one with two rings plays only the current page.
The folder button opens the preferences window where you can name a song, select an instrument, or create a new empty canvas. When your song is finished it can be stored as pages of a songbook.