User blog comment:Mobo85/Majesco to Develop Phineas and Ferb Video Game/@comment-1518158-20130418003654

Looks like we know what this is now. Several sites are listing it as Phineas and Ferb: Quest for Cool Stuff, and it's coming out for Xbox 360, Wii U, Wii, 3DS, DS on August 13, 2013! You can see them listed here on Gamefly.