how about wind in the game, as well as moving lighter elements and mabye eroding stuff, it should carry heat or coldness a certain distanse based on how hot/cold it was in contact with
oh and touching note changes sound
i would support konekotatsu on the info box thing. it needs either a general description to get us familiar and experiment, or a total listing of what it reacts too
note take current (electrified metal) and turns it into a sound, you might need to turn up the sound though. Touching note changes its pitch. touch power and it keeps producing current. Touch is in the tools (draw, line, fill, ect.) and thats for now. Good luck omitrix on the project in progress :)