Android WSPR beacon

To say I am a WSPR fan is an understatement! Nothing compares with the ability to span the globe with QRP, perhaps excepting OPERA. I see there is a WSPR app (Android) which allows a tablet to be hooked up to a rig to form a WSPR beacon. The app costs £1.58.

See https://play.google.com/store/apps/details?id=com.iu4apc.wsprbeacon