The WSPR Beacon App is made to send WSPR signals using your Android smartphone/tablet as a signal source. All you have to do is use the audio out of it and pair it with the audio in of your rig All you ha to do is: 1) Set your CALLSIGN. 2) Set your LOCATOR or press the GPS button and have the app automatically calculate it based on your position.
This download is totally safe. Andrea Salvatore is the developer of the app which can be found in the Communication category. WSPR Beacon for Ham Radio has been downloaded and set up by over 1K users and the most recent update was released on Jan 6, 2015.