The app basically helps you to read your USSD Popup-dialog and print it out to your logcat.
if you want to use that message in your activity, then you will need to create a broadcast receiver to handle that.
Credits goes to this link below: https://habr.com/ru/post/234425/ http://umeshisran4android.blogspot.com/2015/11/how-to-readparse-ussd-messages.html