This makes file/directory creation-deletion, red/write. download very simple. you will need the cordova file plugins:
$ phonegap local plugin add https://git-wip-us.apache.org/repos/asf/cordova-plugin-file.git
$ phonegap local plugin add https://git-wip-us.apache.org/repos/asf/cordova-plugin-file-transfer.gitHere are simple examples on how to file/directory creation-deletion, red/write. download: