I discovered it yesterday, and just been informed by the seller 1min before buying that's not compatible with anything but Apple devices.
It's a shame, it really limit the product interest to minus 273°C when you know this if you're Apple hater.
Wake up Line 6, 95% of the world run on Windows and Android.
The App isn'r rocket science, it will takes just a few days to covert to Android platform for good developpers.
Go back to work !