A free app for Android, by Daikin Europe N.V..
Madoka is a smart, low energy wireless indoor air quality sensor controller. It allows you to connect your smartphone to it and set and view air quality data and alerts in real-time.
If your smartphone is connected to the Madoka controller via Bluetooth, then you can use the Madoka Assistant app to view and control the unit.
To use the app, select either the Basic or Advanced tab. You will be guided through the app's visual interface to set the controller parameters and view the air quality in real-time.