green.lua

local scene = display.newGroup();
local target;

local groupBox = display.newGroup();

function init(data)

	addGroups();
	addBox();
	
	target = data.target;

	return scene;
end

function addGroups()
	scene:insert(groupBox)
end

function addBox()
	local box = display.newRect(groupBox, 0,0,display.contentWidth, display.contentHeight);
	box:setFillColor(0,0,255);
	box.alpha = 0.5;
	box:addEventListener("tap", changeSceneEvent)
end

function changeSceneEvent(event)

	print(target);
	
	changeScene(target, {target='green'})
end

return init;

main.lua

DISPLAY = display.newGroup();


function changeScene(sceneFile, data)

	local mainScene = require(sceneFile); -- Returns init

	for i=1, DISPLAY.numChildren do
		
		for p=1, DISPLAY[i].numChildren do
			DISPLAY[i][p]:removeSelf();
		end

		DISPLAY[i]:removeSelf();
	end

	DISPLAY = display.newGroup();

	local newScene = mainScene(data); -- Returns scene

	print(newScene);


	DISPLAY:insert( newScene );
end

changeScene('red', {target = "green"});

red.lua

local scene = display.newGroup();
local target;

local groupBox = display.newGroup();

function init(data)

	addGroups();
	addBox();
	
	target = data.target;

	return scene;
end

function addGroups()
	scene:insert(groupBox)
end

function addBox()
	local box = display.newRect(groupBox, 0,0,display.contentWidth, display.contentHeight);
	box:setFillColor(255,0,0);
	box.alpha = 0.5;
	box:addEventListener("tap", changeSceneEvent)
end

function changeSceneEvent(event)

	print(target);
	
	changeScene(target, {target='red'})
end

return init;