Frill

1. Full marks on User interface. I tried other tool after purchasing Frill but that was way too much confusing for me to operate.
2. I am going to use it for Hackathon for Upvoting of an Idea.
3. As a user i wanted bang for my buck and hence hoping future development of this product to introduce other means of collecting user feedback.
Options: a) Chat b) email templates

4) For status you can introduce a) Calendar views b) Progress indicator in terms of status bar from 0 to 100%.