New Sonic Game and Feature Film In Development translated the last question from the Famitsu interview with Sonic Team .Sonic Team sat down with Famitsu magazine in Japan for this week’s issue, during which a new game (platforms to be announced on July 22) and a feature film was also announced. (Translation courtesy SOAH City) 
“We at Sonic Team – are developing a completely new game, as well as developing a full movie, actively done by Sony Pictures, and animation on Sonic Boom”
Original text:
Ready for a whole lot of Sonic?