!! This is an "upgrade" / "license file" for the StickMount application, you must already have the free version installed or nothing will happen !!
This upgrade enables extra features in StickMount and supports StickMount's development. See StickMount's description to learn about these features.
The price is aimed at being approximately one beer at the bar :)
You may need to restart StickMount and/or your device for the Pro features to become available.