Han Solo dies
No, of course not.
The Force Awakens
Alan Dean Foster
Adam Driver.
Lucas didn't make The Force Awakens as your question implies but No, Lucas is not making anymore Star Wars movies.
Estimated 245 million dollars.
Supreme Leader Snoke
he is a bb unit
$245 to $306 million
We don't know yet. It's a mystery.
Only for a few seconds at the end of the film.
No. The Force Awakens takes place 30 years after Return of the Jedi