This is a great list! I already regularly use the 511MN app. It was especially helpful while I was commuting to and from St. Kate's for classes so I could check on the weather/road conditions. I also used the MN State Fair app last summer and found that very helpful.
For this Thing, I downloaded the MPR Radio app and the Explore Minnesota app. I love the MPR app and will be using that a lot - it will be nice to listen to while I'm cataloging! I hit a snag with the Explore app though and it froze up one me. I'll have to "explore" it again at another time. (: