Feedback 1: Your app is great. It's a good idea, executed well - there should be a maps interface with an intuition as to what it's about. It lacks polish and finesse however - there are many problems with the app as well as bugs. All solvable. There are many usability as well to look into - to safeguard privacy, fight spam, better data logging and so forth such that the apps purpose is not just left to reporting but rather to having people fix it as well. You'll get there - keep going.
Feedback 2: Awesome app. Doing some social good
Feedback 3: Great app and well built. It will be great if you can integrate offline functionality so that it works even when there is no connection. You should also include search functionality as well. Also It will be great if people can share their posts on Google+ , facebook and Twitter. If you can add these 3 things...this will be an awesome app!
Feedback 4: This is an outstanding app. Polished and well done. It's easily one the better apps I've seen.
Feedback 5: A lot of potential but you need to relook at the features: more of them. More social interaction etc..
Feedback 6: great potential
Feedback 7: could lead to great change.. can become important starting point for integrating citizen opinion in change process