If you had asked me a while ago I would have said no, the flight paging does that for me. When we land, turn on the phone, get the arrival gate and next departure gate as text messages. It's a huge help knowing if you have to turn right or left on leaving the plane, and knowing if you are at the next gate or have to sprint across the airport.
Recently, the airlines paging systems have not been so great, mainly hit and miss. The announcements help when the message isn't coming, and because they make the announcements before you can turn on your phones, I always listen to them.