Hiii,
Say yes to your mobility team in abap side we can easily parse JSON data to abap data or vice versa .Please refer link of my earlier post, it explain it in simple way you can use same idea for mobile app also ...
ABAP to JSON and viceversa links -
( http://scn.sap.com/people/horst.keller/blog/2013/04/15/abap-2-json-and-json-2-abap-with-st
https://gist.github.com/mydoghasworms/2291540 or view https://cw.sdn.sap.com/cw/sources/1077?view=file-source&path=branches%2FNUGG_JSON_PARSER-0.1.1.nugg)
I hope you know JSON , rest service and ICF handler , Just Try 