I don't know if they're any that have been open-source but I've made a few with ease. Cordova has a nice plugin repository so you can use pretty much the entire

I don't know if they're any that have been open-source but I've made a few with ease. Cordova has a nice plugin repository so you can use pretty much the entire device with nothing but JavaScript calls via ClojureScript => http://plugins.cordova.io http://plugins.cordova.io