Portmaster on Android is currently in Beta, with limited functionally and higher battery use!
Portmaster on Android currently has limited functionality, currently the only feature is the SPN which requires Portmaster Pro.
F-Droid repo (this should be pasted in the F-Droid compatable app):
Install the F-Droid app on your Android device if you haven't already. You can download it from the official F-Droid website (https://f-droid.org/).
Open the F-Droid app and tap on the three horizontal lines (hamburger menu) in the top-left corner.
Tap on "Repositories" in the menu.
Tap on the "+" button in the bottom-right corner to add a new repository.
Enter the Portmaster repository URL: https://updates.safing.io/fdroid/repo
Tap on "Add" to save the repository.
F-Droid will update its repositories, and you should now be able to search for and install Portmaster within the F-Droid app.