to add water, tap on the water and direct it into the mixing bowl For the flour, tap on the flour and drag it into the the bowl. To mix it, just press mix. You have to have ten water and a flour to mix into a batter. Drag the batter into the waffle maker, and grab the waffle and throw it into the sell area. To upgrade, click on upgrade and see if you can get it. If you can, hold, and you can upgrade.