The free app, which runs on the Android operating system for now, is still in alpha testing and isn't quite ready for public consumption. But the idea is that it will allow citizens to help the city create work orders for problem areas on city roadways without requiring a phone call or email to city engineers. "It's a new kind of volunteerism,'' Nigel Jacob, one half of Boston's Urban Mechanics office, told the Boston Globe. "It's not volunteering your sweat equity. It's volunteering the devices that are in your pocket to help the city.''