As much as we like extending our music universe through apps within the likes of Deezer and Spotify, that wider experience hasn't usually carried over to mobile. Deezer, at least, thinks it can put those apps inside our pockets. App Studio now supports building add-ons for both Android and iOS devices, giving travelers music and social components beyond what Deezer can provide on its own. The company isn't relying just on phones and tablets to pad its customer base, th
