The spinner is a great idea to keep it KISS. Just daily rewards, but you have to spin the wheel to get the reward. Plus it is also a great segway in case you wan't to add some satoshi mini games later.

Yes, I believe the secret sauce for the bitclout guys was using twitter as their growth strategy. A shame it was for a shitcoin, but great execution nonetheless.

Another great thing about ZecPages is that account creation is optional. So new users can participate without creating the account. They just pay the 'invoice' for the action. It also has some a super like option.

I've before, but I think you are right in the sense that y'all is not the best experience. Maybe the bch guys from read.cash are doing it better. Open threads but encourage the users to tip the author.