I does currently need to be side loaded. You just download the file from GitHub. Verify it if you want. Then click side loaded and select the file. I was able to do it via iPhone within a few minutes.
It allows you to run multiple instances of garbageman. It emulates libre rely but doesn’t actually rely the spam.
It’s basically a Sybil/eclipse style counter-attack on libre rely and Core V30.
Paul has some videos that explain it.