He lived with his grand mother Andromeda (Tonks' mother). Although he spent a lot of time visiting Harry, Ginny & their children
His grandmother, Andromeda Tonks but definitely Harry and Ginny had some input as Harry says "Why don't we just let him live with us, he's already over every week as it is" in the Deathly Hallows.
He lives
With Andromeda Tonks, his grandmother. Teddy frequently visits his extended family, the Potter's and Weasley's. His full name is Edward 'Teddy' Remus Lupin - not Tonks.
No they are already casting!!!
Yes, he ends up marrying Ron's little sister, Ginny.
They live on, mourn Fred, help with their grand-children, etc.
Harry Potter and the Deathly Hallows Part 1 Videogame does not have Xbox Live capability, although it is possible to interface with Kinect.
The wizarding world will be safe from Voldemort and Harry can live without thinking he may die everyday.
It depends where you live and what cinema you want to go to. Not all cinemas will have a midnight screening.
No, he goes on to live with Harry and family and receives better treatment and feels loyal to Harry in return.
Voldemort dies at the end of Harry Potter and the Deathly Hallows because all his horcruxes have been destroyed.
It is unknown where Remus Lupin lived.