According to Videogamesblogger, "Now reports have surfaced online by web-sites like XBLAFans.com, citing an 'extremely trusted source', that Night Springs is in development as a downloadable, all-new XBLA title. They even reportedly have screenshots of the game but are not allowed to release them. Previously the site confirmed Gotham City Imposters way back in February, when it was just announced recently. So they were right that time, maybe this time as well."
This also means that Alan Wake 2 is currently not in development, nor is any new DLC for the original Alan Wake.