You can also consider looking into ShepHertz App42 Cloud API (http://api.shephertz.com) which comes with vast range of technical and business services and are available in 9 target SDks including iOS/Android/J2ME/JAVA/C#/PHP/RUBY/WP7. ShepHertz provides complete Backened As A Service for your app and gives a better insight of your app data through management console.
We are working over four months on it. We have to work a lot more. Now we are in developer preview stage. We want to make the project more fantastic with your feedbacks.