On Thoughtworks Community Site
The Story Triangulation iPhone App integrates with your local installation of Mingle by Thoughtworks (at least version 3.1).
You have complete control of which cards to include in your Story Triangulation session. The Card Type, Estimate Property, Possible Estimates, and MQL filters are completely configurable.
For example, you may be interested in the
Card Type of Story
Estimate Property of Story Points
Possible Estimates of the classic Planning Poker set (0, 1, 2, 3, 5, 8, 13, 20, 40, 100, Infinity, and Question Mark)
MQL filters like Status != Deleted or 'Date - Added' > (SOME MACRO)