-Dice rolling now sends results to a different activity.
-Quick roll buttons don't do much yet.
-This app may currently be useful to you if you have a really strong
need to make your phone generate an arbitrary number of numbers from 1-6
and then tell you how many of them came up 4 or higher. Or if you want
to get really fancy, a handful of coins can achieve essentially the same
effect. (If your phone needs to be involved, use the camera to take a
picture of the coins.) 
Test