Android has strict security policies. An app cannot simply read your screen or touch other apps for you without permission. This is where comes in.
adb shell settings put global window_animation_scale 0 adb shell settings put global transition_animation_scale 0 adb shell settings put global animator_duration_scale 0 adb enable automator
Use a persistent automation service or create a script that re-grants permissions on boot (requires root or Tasker with boot intent). Android has strict security policies
Once you have enabled the permissions, you can run an automator. You don't need a third-party app; you can be the automator using pure ADB shell commands. adb enable automator