The Labor Department wants to make it easier for consumers to track which businesses are treating their workers fairly. Labor announced an app development contest Tuesday that it hopes will “help empower consumers to make informed choices about where to bring their business,” according to an agency news release. The smartphone app will include Labor’s publicly available enforcement data, data from consumer ratings and geopositioning websites and other data available through state health boards. “The app could also prove a useful tool for job seekers and for companies that are deciding which firms they may want to do business with,”…