Update: According to a post on the Sega forums by Ruby Eclipse, it is Sonic Boom Fire & Ice.

Original Story: According to the website for the AOD convention, Ken Pontac is going to be attending, and there is a rather curious section towards the end of his description.

His many admirers in the world of Sonic fandom will be ecstatic to learn that he’s written for an upcoming video game featuring their favourite blue hedgehog.

As some have pointed out, this could mean Sonic Boom Fire & Ice, however it’s rather odd they didn’t just name that or pick one of his previous works if it wasn’t a new or unknown title.

Thanks to Detective Paradox who brought this to our attention.

Source: AOD