All you have to do to use this is to download the app.  The app will step you through how to connect it.  Without reading any prior instructions, I was able to get it set up by using the app in 5 min.  You can set up a time for feeding each day and you can choose to feed them instantly at any time by opening the app.  The button on top allows you to quickly feed your animal with the push of a button.  My fav feature was that I could disable this through the app with the child lock setting.  My toddler was too impressed and kept pushing the button over and over.