LÖVE

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resize = {w=0,h=0}
screen = {w=0,h=0}
touch = {x=0,y=0}

function love.load()
smile = love.graphics.newImage("smile.png")	
end

function love.touchpressed( id, x, y, dx, dy, pressure )
touchpress=true
touchreleased=nil
end

function love.touchmoved( id, x, y, dx, dy, pressure )
touchmoved=true
touchreleased=nil
end

function love.touchreleased( id, x, y, dx, dy, pressure )
touchreleased=true	
touchmoved=nil
touchpress=nil
end

function love.draw()

screen.w, screen.h = love.graphics.getDimensions()

if screen.w > screen.h then
--landscape
resize.w, resize.h = screen.w/800 , screen.h/480
else
--portrait
resize.w, resize.h = screen.w/480 , screen.h/800
end

for i, id in ipairs(love.touch.getTouches()) do
touch.x, touch.y = love.touch.getPosition(id)
end

--in center and resized
love.graphics.draw(smile, (screen.w/2)-(smile:getWidth()/2), (screen.h/2)-(smile:getHeight()/2), 0 , resize.w, resize.h)

if touchmoved then
status="Moving"
elseif touchpress then
status="Pressing"
elseif touchreleased then
status="Released"
else
status="Sleeping"
end

love.graphics.print("Touch is "..status, 10, 10, 0, 3*resize.w, 3*resize.h)
end

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your code here