The app uses the same code on all platforms which makes it a little slower than equivalent apps built for a specific platform, if any developers are interested in helping our app is open source and they can submit improvements back to us. It uses HTML5, jQuery Mobile etc with a phonegap wrapper. Alternatively everyone is welcome to use our api to develop their own apps without having to curate their own database.
Regarding upload of images and videos immediately still debating they best approach, its technically simple to upload stuff but the cost implication of hosting all that content can't be overlooked as we operate with zero funding. That's an issue once you have hundreds of thousands of charging locations.