Usar la aplicación APKPure
Obtener Broadcast Receiver versión histórica en Android
Su tarea es llamar Mensaje con aplicación externa o adb con diferente persona que llama
Android apps can send or receive broadcast messages from the Android system and other Android apps, similar to the publish-subscribe design pattern. These broadcasts are sent when an event of interest occurs.
This app working is to send SMS with the provided mobile number and hardcoded caller id.