As long as you actively connected your game to Facebook beforehand, your progress will be saved and synced to it. If you did, when you reconnect to that account in the game again, the progress from the point where it was last synced will come up. A good way to check is to load the game directly on Facebook as it'll show…
Try this out, go into Safari and make sure you are logged into your FB account from the FB site directly. If you've already done that, clear cache from Safari and try again. When you hit connect in the game it should sign you into that account.
If it's freezing on then you need to troubleshoot your browser first, try going through the steps suggested here: https://care.king.com/en/candy-crush-saga/cant-get-your-games-to-load-on-facebook-check-this-out On PC that's just how it goes, any messages left unread will be gone when the session is closed down. You don't…
Hard to say as King never give any release dates. On PC it goes up to 520, it shouldn't be long now normally for the levels to be converted to mobile and tablet platform.
If you're on iOS try this out, go into Safari and make sure you are logged into your FB account from the FB site directly. If you've already done that, clear cache from Safari and try again. When you hit connect in the game it should sign you into that account.
Sorry but I can't help with that, but if you join a Facebook group where players actively send each other help, I don't think it will take you very long at all to get the tickets you need to get past the roadblocks: https://www.facebook.com/search/groups/?q=pet%20rescue%20saga
Ahh ok, tricky one. If you're on Windows 10, have you had a go at running the troubleshooter app yet? https://support.microsoft.com/en-us/instantanswers/69e76f90-d54c-44cf-9851-c2d1542790db/run-the-troubleshooter-for-windows-apps
You could always join a Facebook group, that way you'll get lives and help on a more regular basis: https://www.facebook.com/search/groups/?q=alphabetty%20saga