Some developers tell me I want to write an app but I cant think of anything to build. Well Hacker Helper is a wiki resource with some very good ideas for app that can have a local impact in your town, city, state. Check it out.
Hacker Helper – http://hackerhelper.wikispaces.com/
Here are some examples of the Issues areas covered:
Food Waste, Childhood Hunger, Sustainable Food, Safe Public Spaces, Graffiti Clean-up, Voter Turnout, Childhood Mortality, Maternal Health, Diseases
With these ideas and these resources you should be well on your way to your next Windows Phone or Windows Store app.