"In a couple weeks" is one of the most overused phrases in the tech world. It feels like when a company uses the phrase like "in a couple weeks", "in a few weeks", or "in the coming weeks", the real translation tends to end up being "expect it when you see it". That's what has happened with so many products, and has happened with Google Play Music for iOS...
Source: http://www.phonearena.com/news/Google-Play-Music-coming-to-iOS-this-month_id47948
Source: http://www.phonearena.com/news/Google-Play-Music-coming-to-iOS-this-month_id47948