You can easily 'pin' the Seenons web app to your phone. How you do that depends on your operating system:
Iphone
- Go to the browser and press the square with the up arrow.
- Click on 'Add to home screen'
- Click on 'Add'
Android
- Go to the browser and press the three dots at the top right
- Click on 'add to home screen'
- Click on 'Add'
- Click on 'Add Automatically'