Facebook Lifestage, the teen-only app, arrives on Android

Facebook Lifestage, the teen-only app released back in August, has now arrived on Android. The app is targeted primarily at high schoolers, and serves to address the decline in youth participation on Facebook, a service many kids now consider less-than-cool thanks in part to the mass influx of parents and grandparents. Lifestage first arrived on iOS, and now it is …