diff --git a/frappe/public/js/frappe/query_string.js b/frappe/public/js/frappe/query_string.js
index 6332181d76..678e059a39 100644
--- a/frappe/public/js/frappe/query_string.js
+++ b/frappe/public/js/frappe/query_string.js
@@ -1,3 +1,5 @@
+frappe.provide('frappe.utils');
+
 function get_url_arg(name) {
 	return get_query_params()[name] || "";
 }
@@ -36,8 +38,29 @@ function get_query_params(query_string) {
 	return query_params;
 }
 
-function make_query_string(obj) {
-	var query_params = [];
-	$.each(obj, function(k, v) { query_params.push(encodeURIComponent(k) + "=" + encodeURIComponent(v)); });
-	return "?" + query_params.join("&");
+function make_query_string(obj, encode=true) {
+	let query_params = [];
+	for (let key in obj) {
+		let value = obj[key];
+		if (value === undefined || value === '' || value === null) {
+			continue;
+		}
+		if (typeof value === 'object') {
+			value = JSON.stringify(value);
+		}
+
+		if (encode) {
+			key = encodeURIComponent(key);
+			value = encodeURIComponent(value);
+		}
+
+		query_params.push(`${key}=${value}`);
+	}
+	return '?' + query_params.join('&');
 }
+
+Object.assign(frappe.utils, {
+	get_url_arg,
+	get_query_params,
+	make_query_string
+});
\ No newline at end of file
diff --git a/frappe/public/js/legacy/handler.js b/frappe/public/js/legacy/handler.js
index 61d197b23a..c35a21fdd0 100644
--- a/frappe/public/js/legacy/handler.js
+++ b/frappe/public/js/legacy/handler.js
@@ -62,8 +62,17 @@ function $c_obj_csv(doc, method, arg) {
 	open_url_post(frappe.request.url, args);
 }
 
-// call a url as POST
 function open_url_post(URL, PARAMS, new_window) {
+	if (window.cordova) {
+		let url = URL + 'api/method/' + PARAMS.cmd + frappe.utils.make_query_string(PARAMS, false);
+		window.location.href = url;
+	} else {
+		// call a url as POST
+		_open_url_post(URL, PARAMS, new_window);
+	}
+}
+
+function _open_url_post(URL, PARAMS, new_window) {
 	var temp=document.createElement("form");
 	temp.action=URL;
 	temp.method="POST";