open311-mobile is an reference client of the Open311 protocol. It is currently available via iTunes under the name, "GeoReporter". GeoReporter should work for any organizations with an Open311 GeoReport v2 compliant endpoint server.
Open311 GeoReport v2 is an open standard for sharing non-emergency issues in public spaces. Common issues include potholes, broken streetlights, garbage, vandalism, and other problems that compromise public spaces and infrastructure.
The current version of the specification is documented at http://wiki.open311.org/GeoReport_v2
We're using the Wiki here on GitHub for all documentation
Discussions about the GeoReporter mobile apps takes place on our Google Group