How to reset the app:
- Open Terminal on Mac, type 'defaults delete com.suyashsrijan.DroidID' (w/o quotes) and press Enter
- Open Activity Monitor on Mac and kill the DroidID process if it's running
- Delete all copies of DroidID (incl. ZIP files) from your Mac and re-download the client app from the website
- Open the Android app and click on 'Unlink' button, if you've already done the setup before. If not, then skip to next step
- Run the Mac app and follow the setup instructions