The android app is available for download from the Googe play store. Surch for Sunne in the app store or download from the following link:
The Sunne can connect to your app using Bluetooth Low Energy. Using the app you can see the battery status, but also change the modes and the light intensity.
Once you have the app open and searching for Sunne, press and hold the Sunne button until it flashes blue to enter bluetooth pairing mode.