Since Appoxee SDK V2.0 you have the ability to set custom fields
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//Universal Value Getter, List of Attributes as incoming parameter, List of Values as returning values
public static ArrayList<String> getFromAttributeList(ArrayList<String> listOfAttributes)
//Set Quiet Time for not receiving Push Messages from Server (Not Activated yet)
public static boolean SetQuietTime(String value,String startValue,String endValue)
//Set Custom Field, Return TRUE on success
public static boolean setCustomField(String aName,Object aValue)
//Unset Custom String Fields, Return TRUE on success
public static boolean unsetStringFields(Map<String,String> strFields)