Mobile games are designed like junk-food: take it out, eat some junk, then put it away to go do something else, throw away the bag or seal it for a quick snack later. Normal games are designed like a full meal: sit down somewhere with good atmosphere, nutritious, good conversation, get full and go home with plenty of leftovers and good memories
You can run your own relays, the obstacle is that each relay takes up many terabytes. But it’s fully open.
https://github.com/bluesky-social/pds
https://whtwnd.com/bnewbold.net/entries/Notes on Running a Full-Network atproto Relay (July 2024)
https://news.ycombinator.com/item?id=42094369
https://docs.bsky.app/docs/advanced-guides/firehose
https://docs.bsky.app/docs/advanced-guides/federation-architecture#relay