This is going to be the dreamworks and pirate bay situation all over again.
Sorry, I misunderstood you. If that is your use case then definitely try it out. I find myself losing my phone, grabbing a trusted contacts phone and texting myself fmd ring. It does have a webpage where you can lock, erase or take photos with the phone as well as location tracking.
Check out zood location, as I said in another comment, also open source location tracker. Only on android though.
It is like a 10 year old game with many variants but the shattered version is still being developed
Edit, I checked it out the one you linked is an expansion fork. Thanks for linking. It has a lot of changes to the original in a good way.
Mullvad vpn is prob the next closest.
FindMyDevice, a find my server with channels through sms, a self hostable server, notifications. This is one of my favorite android utilities.
Shattered pixel dungeon. Open source dungeob crawler roguelike. Extremely fun.
OONI probe, a tool to test the censorship of wifi networks
Comaps, navigation from openstreetmap
Mullvad vpn, probably the best vpn imo
Hashtag baby and pear?