The study is titled Raising the Curtain on Mobile and focuses on Mobile’s Role in Researching and Purchasing Live Event Tickets."
Mobile rivals TV as the preferred media channel for getting information on live performances (60% mobile vs. 53% TV)"
41 percent purchase concert and show tickets directly through mobile devices"
Over three quarters (78%) use mobile to help plan trips to shows"
22 percent “check in” at a live performance via social apps"
Nearly a third (31%) use mobile to make plans for before or after a show"
That's a large range of functions or jobs being accomplished through mobile devices though accomplishing all those things might end up involving an array of apps.
If you go to the presentation (p. 11) you'll see that mobile actually beats out all other media delivery systems for those seeking live event info.
In addition, live entertainment seekers" who responded to the survey were as likely to have an event management app as a general movie app or a sports app (p. 12).
Overall it appears that use of mobile devices is more heavily weighted to the early stages of the process, especially those involving information gathering about who's performing or for planning trips.