You can't. They are only good for playing the game. You can use them to get more moves when you have failed a level or trade them for boosters, but that is all they are good for. A million of them are not worth a penny.
They have not been announced yet. Check Coming Up Soon - Meet Your All Star Finalists on the All Stars tab. The should be announced there some time in the near future
The announcement came on the 28th. Not the finalist but about a ring they will receive. I don't have the Hub, but QueenB posted the information in Meet the Finalists at the top of the All Stars page.
If that didn't work then try contacting support. Click the pink cog at the top of the game and then click the question mark at the bottom. Enter a topic and give them as many details as possible. Hopefully someone at King will get back to you and fix it.
Not sure if this will help or not, but try sending both ways - click on the friend's avatar on the map and then click on send life, the other way is click on your avatar at the top, then click on your friend and then click send life. In both cases, wait until it shows life sent before going back to the map. You can also…
I totally agree with you @cookiemae it just looks like an attempt to get you to use up boosters. I don't mind trying five times to pass the level, but I will not waste boosters on it since all the levels I am asked to help with are nightmarishly hard. I would love to help a friend but the chances of passing the level are…
I've been wondering if the lives I send are received too, and also if it matters how you send them. Before the change to 20 lives a day, you would see more than one request from a person. I think it changed to one request per person when the 200 max, 20 per day started. I tend to send lives all three ways From the avatars…
When I lose an old level, it tells me to keep playing or I will lose the points for the blues I have collected. I should only get this message on new levels since old levels don't count.