Here are the offical credits to Game’s R.E.D. Album which says that only Pharrell was invovled on ‘Mama Knows’ and despite the rumours that Pharrell wasn’t the Executive Producer of the album anymore, you can clearly see that HE INDEED is the Executive Producer, thanks to Borsboom.

Game – The R.E.D. Album (Digital Booklet)

Game – Mama Knows feat. Nelly Furtado (11′)