Flurry (a dominant force in app analytics), publishes their stats – take what you will from it.
“Tablet users are older, more female, and we can surmise, more affluent. Additionally, they use more during the evenings and for longer sessions. Finally they consume more media and entertainment experiences, with a significant proportion spent on games. In particular, this would indicate that as Apple and Google enter the living room with connected TV initiatives, game consoles made by Sony, Microsoft and Nintendo would experience the greatest competition. The distribution of content into the living room may also significantly change for network and cable television content providers. In summary, the impact of smart devices on both work and play are profound.”