Sample code
var json = '{'+ '"1":{"level":1,"codename":"(no code name)","version":"1.0"}, ' + '"2":{"level":2,"codename":"(no code name)","version":"1.1"} , ' + '"3":{"level":3,"codename":"Cupcake","version":"1.5"}, ' + '"4":{"level":4,"codename":"Donut","version":"1.6"}, ' + '"5":{"level":5,"codename":"Eclair","version":"2.0"}, ' + '"6":{"level":6,"codename":"Eclair","version":"2.0.1"}, ' + '"7":{"level":7,"codename":"Eclair","version":"2.1"}, ' + ' "8":{"level":8,"codename":"Froyo","version":"2.2.x"}, ' + ' "9":{"level":9,"codename":"Gingerbread","version":"2.3 - 2.3.2"}, ' + ' "10":{"level":10,"codename":"Gingerbread","version":"2.3.3 - 2.3.7"}, ' + ' "11":{"level":11,"codename":"Honeycomb","version":"3.0"}, ' + ' "12":{"level":12,"codename":"Honeycomb","version":"3.1"}, ' + ' "13":{"level":13,"codename":"Honeycomb","version":"3.2.x"}, ' + ' "14":{"level":14,"codename":"Ice Cream Sandwich","version":"4.0.1 - 4.0.2"}, ' + ' "15":{"level":15,"codename":"Ice Cream Sandwich","version":"4.0.3 - 4.0.4"}, ' + ' "16":{"level":16,"codename":"Jelly Bean","version":"4.1.x"}, ' + ' "17":{"level":17,"codename":"Jelly Bean","version":"4.2.x"}, ' + ' "18":{"level":18,"codename":"Jelly Bean","version":"4.3.x"}, ' + ' "19":{"level":19,"codename":"KitKat","version":"4.4 - 4.4.4"}, ' + ' "20":{"level":20,"codename":"K or L","version":"4 or 5"}, ' + ' "21":{"level":21,"codename":"Lollipop","version":"5.0"}, ' + ' "22":{"level":22,"codename":"Lollipop","version":"5.1"} ' + ' }' var allBuilds = JSON.parse(json); //Called when application is started. function OnStart() { var osObj = allBuilds[app.GetOSVersion()] var osInfo = osObj.level +"\n" + osObj.codename + "\n"+ osObj.version //Create a layout with objects vertically centered. lay = app.CreateLayout( "linear", "VCenter,FillXY" ); //Create a text label and add it to layout. txt = app.CreateText( osInfo,-1,-1,"MultiLine" ); lay.AddChild( txt ); //Add layout to app. app.AddLayout( lay ); }