There is "DJI GO 4 MOD 2.0" App for Android which provides the Waypoint function like Mavic has:
https://sparkpilots.com/threads/dji-go-4-mod-2-0-dji-go-4-mod-lite-additional-features-android-app-ver-4-1-15.3841/page-65
Is it possible for GO 4 MOD App to connect to a customized IP address of Spark drone?
By default, GO 4 will connect to 192.168.41.2 where the Spark acts as WiFi AP.
I would like to change the Spark on board Linux scripts to let Spark act as WiFi client, and connect to my home WiFi AP...