You need working installation file from the URL ". Unzip and then install on your device. It will forward all/ filtered incoming SMS to predefined number when the App is configured to be enabled from its inbuilt settings screen. Short, easy and convenient interface for configuring it once only. Rest everything, it will take care itself.
This application is completely safe to download. Ash Playing is the official developer of the app which can be found in the Communication category. SMS Forwarder has been downloaded and installed by over 50K users and the latest update was released on Aug 28, 2019.