Conversion of a MoSync app to Ionic app

Hi, I would like to have this app converted to Ionic.

Please chat me up if you can do it with a cost, to

The only device-related code in the app are two events, one bound to the “backbutton” to close the app and another one bound to the device orientation to rotate the viewport. Everything else is standard HTML5 stuff not related to Android at all.

Thank you.