diff --git a/utils.lua b/utils.lua
--- a/utils.lua
+++ b/utils.lua
@@ -27,4 +27,55 @@ PartyUtils = {
 			end;
 		end;
 	end;
-};
\ No newline at end of file
+};
+
+--[[
+	functions, design to simplify some typical actions while developing Instead game
+]]
+EngineUtils = {
+	getValue = function(source, param)
+		local value = "";
+		if (type(source) == "function") then
+			value = source(param);
+		else
+			value = source;
+		end;
+		
+		return value;
+	end;
+};
+
+--[[
+	internal space
+]]
+_kh = {
+	vroom_enter = function(s)  
+		walk(EngineUtils.getValue(s.where));
+	end;
+	vroom_save = function(s)
+		if need then
+			local t = stead.string.format("%s = kh_vroom(%s, %q, %s);\n",
+				name, stead.tostring(self.disp), 
+					stead.deref(self.where), stead.deref(self.nam));
+			h:write(t);
+		end
+		stead.savemembers(h, self, name,false);
+	end;
+};
+
+--[[
+	vroom with additional functionality
+]]
+function kh_vroom(disp, target, nam)
+	if (not nam) then
+		nam = disp;
+	end;
+	return room {
+		nam = nam;
+		disp = disp;
+		where = target;
+		enter = _kh.vroom_enter;
+		--enter = _kh.vroom_enter;
+		--save = _kh.vroom_save;
+	};
+end;
\ No newline at end of file