Perhaps the most interesting growth trend and the most exciting shift for developers is in App Sessions, shown below. App sessions are an indicator of actual device usage, and Phablets command a disproportionate share of that app activity. While they account for only 6% of active users, Phablet users account for 11% of all app sessions. This is up from only 3% of sessions in 2013. Read the rest at Flurry.com.