From April 2nd, 2015 to May 7th, 2015, 50% user give 5-star rating, 50% user give 3-star rating. for Leap Motion for Trello and JIRA chrome extension.
Superb little app which has made using Trello all the much easier.
This app could be greatly improved by the use of background themes - for example Darth Vaders theme from the first Star Wars movie