diff --git a/android/game.apk b/android/game.apk
index f7209a8..dd4b412 100644
Binary files a/android/game.apk and b/android/game.apk differ
diff --git a/android/game.love b/android/game.love
index cc26c9f..e1d353f 100644
Binary files a/android/game.love and b/android/game.love differ
diff --git a/android/tools/love-android-sdl2/AndroidManifest.xml b/android/tools/love-android-sdl2/AndroidManifest.xml
index f57f51c..eebcf4e 100644
--- a/android/tools/love-android-sdl2/AndroidManifest.xml
+++ b/android/tools/love-android-sdl2/AndroidManifest.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest package="love.to.android1112134304"
+<manifest package="love.to.android1112203313"
       android:versionCode="15"
       android:versionName="0.9.2"
       android:installLocation="auto" xmlns:android="http://schemas.android.com/apk/res/android">
@@ -12,13 +12,13 @@
     <application
       android:allowBackup="true"
       android:icon="@drawable/ic_launcher"
-      android:label="Game 1112134304"
+      android:label="Game 1112203313"
       android:theme="@android:style/Theme.NoTitleBar.Fullscreen" >
       <service android:name=".DownloadService" />
       <activity
         android:name="LtaActivity"
         android:configChanges="orientation|screenSize"
-        android:label="Game 1112134304"
+        android:label="Game 1112203313"
         android:launchMode="singleTop"
         android:screenOrientation="landscape" >
         <intent-filter>
diff --git a/android/tools/love-android-sdl2/assets/game.love b/android/tools/love-android-sdl2/assets/game.love
index cc26c9f..e1d353f 100644
Binary files a/android/tools/love-android-sdl2/assets/game.love and b/android/tools/love-android-sdl2/assets/game.love differ
diff --git a/android/tools/love-android-sdl2/bin/AndroidManifest.xml b/android/tools/love-android-sdl2/bin/AndroidManifest.xml
index f57f51c..eebcf4e 100644
--- a/android/tools/love-android-sdl2/bin/AndroidManifest.xml
+++ b/android/tools/love-android-sdl2/bin/AndroidManifest.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest package="love.to.android1112134304"
+<manifest package="love.to.android1112203313"
       android:versionCode="15"
       android:versionName="0.9.2"
       android:installLocation="auto" xmlns:android="http://schemas.android.com/apk/res/android">
@@ -12,13 +12,13 @@
     <application
       android:allowBackup="true"
       android:icon="@drawable/ic_launcher"
-      android:label="Game 1112134304"
+      android:label="Game 1112203313"
       android:theme="@android:style/Theme.NoTitleBar.Fullscreen" >
       <service android:name=".DownloadService" />
       <activity
         android:name="LtaActivity"
         android:configChanges="orientation|screenSize"
-        android:label="Game 1112134304"
+        android:label="Game 1112203313"
         android:launchMode="singleTop"
         android:screenOrientation="landscape" >
         <intent-filter>
diff --git a/android/tools/love-android-sdl2/bin/build.prop b/android/tools/love-android-sdl2/bin/build.prop
index 8310547..8ff6b6e 100644
--- a/android/tools/love-android-sdl2/bin/build.prop
+++ b/android/tools/love-android-sdl2/bin/build.prop
@@ -1,5 +1,5 @@
 #Last build type
-#Sat, 12 Nov 2016 13:43:10 +0100
+#Sat, 12 Nov 2016 20:33:20 +0100
 
 build.last.target=debug
 
diff --git a/android/tools/love-android-sdl2/bin/classes.dex b/android/tools/love-android-sdl2/bin/classes.dex
index 58a26e2..cadab10 100644
Binary files a/android/tools/love-android-sdl2/bin/classes.dex and b/android/tools/love-android-sdl2/bin/classes.dex differ
diff --git a/android/tools/love-android-sdl2/bin/classes.dex.d b/android/tools/love-android-sdl2/bin/classes.dex.d
index 4a3d598..0edf381 100644
--- a/android/tools/love-android-sdl2/bin/classes.dex.d
+++ b/android/tools/love-android-sdl2/bin/classes.dex.d
@@ -1,9 +1,9 @@
 /Users/androsfenollosa/www/alunizaje/android/tools/love-android-sdl2/bin/classes.dex : \
-/Users/androsfenollosa/www/alunizaje/android/tools/love-android-sdl2/bin/classes/love/to/android1112134304/BuildConfig.class \
-/Users/androsfenollosa/www/alunizaje/android/tools/love-android-sdl2/bin/classes/love/to/android1112134304/LtaActivity.class \
-/Users/androsfenollosa/www/alunizaje/android/tools/love-android-sdl2/bin/classes/love/to/android1112134304/R$attr.class \
-/Users/androsfenollosa/www/alunizaje/android/tools/love-android-sdl2/bin/classes/love/to/android1112134304/R$drawable.class \
-/Users/androsfenollosa/www/alunizaje/android/tools/love-android-sdl2/bin/classes/love/to/android1112134304/R.class \
+/Users/androsfenollosa/www/alunizaje/android/tools/love-android-sdl2/bin/classes/love/to/android1112203313/BuildConfig.class \
+/Users/androsfenollosa/www/alunizaje/android/tools/love-android-sdl2/bin/classes/love/to/android1112203313/LtaActivity.class \
+/Users/androsfenollosa/www/alunizaje/android/tools/love-android-sdl2/bin/classes/love/to/android1112203313/R$attr.class \
+/Users/androsfenollosa/www/alunizaje/android/tools/love-android-sdl2/bin/classes/love/to/android1112203313/R$drawable.class \
+/Users/androsfenollosa/www/alunizaje/android/tools/love-android-sdl2/bin/classes/love/to/android1112203313/R.class \
 /Users/androsfenollosa/www/alunizaje/android/tools/love-android-sdl2/bin/classes/org/libsdl/app/DummyEdit.class \
 /Users/androsfenollosa/www/alunizaje/android/tools/love-android-sdl2/bin/classes/org/libsdl/app/SDLActivity$1.class \
 /Users/androsfenollosa/www/alunizaje/android/tools/love-android-sdl2/bin/classes/org/libsdl/app/SDLActivity$2.class \
diff --git a/android/tools/love-android-sdl2/bin/classes/love/to/android1112134304/R$attr.class b/android/tools/love-android-sdl2/bin/classes/love/to/android1112134304/R$attr.class
deleted file mode 100644
index 6dd350c..0000000
Binary files a/android/tools/love-android-sdl2/bin/classes/love/to/android1112134304/R$attr.class and /dev/null differ
diff --git a/android/tools/love-android-sdl2/bin/classes/love/to/android1112134304/BuildConfig.class b/android/tools/love-android-sdl2/bin/classes/love/to/android1112203313/BuildConfig.class
similarity index 74%
rename from android/tools/love-android-sdl2/bin/classes/love/to/android1112134304/BuildConfig.class
rename to android/tools/love-android-sdl2/bin/classes/love/to/android1112203313/BuildConfig.class
index dcc7880..57b60cd 100644
Binary files a/android/tools/love-android-sdl2/bin/classes/love/to/android1112134304/BuildConfig.class and b/android/tools/love-android-sdl2/bin/classes/love/to/android1112203313/BuildConfig.class differ
diff --git a/android/tools/love-android-sdl2/bin/classes/love/to/android1112134304/LtaActivity.class b/android/tools/love-android-sdl2/bin/classes/love/to/android1112203313/LtaActivity.class
similarity index 62%
rename from android/tools/love-android-sdl2/bin/classes/love/to/android1112134304/LtaActivity.class
rename to android/tools/love-android-sdl2/bin/classes/love/to/android1112203313/LtaActivity.class
index f8ec491..91f552e 100644
Binary files a/android/tools/love-android-sdl2/bin/classes/love/to/android1112134304/LtaActivity.class and b/android/tools/love-android-sdl2/bin/classes/love/to/android1112203313/LtaActivity.class differ
diff --git a/android/tools/love-android-sdl2/bin/classes/love/to/android1112203313/R$attr.class b/android/tools/love-android-sdl2/bin/classes/love/to/android1112203313/R$attr.class
new file mode 100644
index 0000000..8b3baff
Binary files /dev/null and b/android/tools/love-android-sdl2/bin/classes/love/to/android1112203313/R$attr.class differ
diff --git a/android/tools/love-android-sdl2/bin/classes/love/to/android1112134304/R$drawable.class b/android/tools/love-android-sdl2/bin/classes/love/to/android1112203313/R$drawable.class
similarity index 56%
rename from android/tools/love-android-sdl2/bin/classes/love/to/android1112134304/R$drawable.class
rename to android/tools/love-android-sdl2/bin/classes/love/to/android1112203313/R$drawable.class
index 22b315d..dd093e2 100644
Binary files a/android/tools/love-android-sdl2/bin/classes/love/to/android1112134304/R$drawable.class and b/android/tools/love-android-sdl2/bin/classes/love/to/android1112203313/R$drawable.class differ
diff --git a/android/tools/love-android-sdl2/bin/classes/love/to/android1112134304/R.class b/android/tools/love-android-sdl2/bin/classes/love/to/android1112203313/R.class
similarity index 63%
rename from android/tools/love-android-sdl2/bin/classes/love/to/android1112134304/R.class
rename to android/tools/love-android-sdl2/bin/classes/love/to/android1112203313/R.class
index 762b69b..69f6e77 100644
Binary files a/android/tools/love-android-sdl2/bin/classes/love/to/android1112134304/R.class and b/android/tools/love-android-sdl2/bin/classes/love/to/android1112203313/R.class differ
diff --git a/android/tools/love-android-sdl2/bin/love_android_sdl2-debug-unaligned.apk b/android/tools/love-android-sdl2/bin/love_android_sdl2-debug-unaligned.apk
index 6f257dd..1eee0a1 100644
Binary files a/android/tools/love-android-sdl2/bin/love_android_sdl2-debug-unaligned.apk and b/android/tools/love-android-sdl2/bin/love_android_sdl2-debug-unaligned.apk differ
diff --git a/android/tools/love-android-sdl2/bin/love_android_sdl2-debug.apk b/android/tools/love-android-sdl2/bin/love_android_sdl2-debug.apk
index f7209a8..dd4b412 100644
Binary files a/android/tools/love-android-sdl2/bin/love_android_sdl2-debug.apk and b/android/tools/love-android-sdl2/bin/love_android_sdl2-debug.apk differ
diff --git a/android/tools/love-android-sdl2/bin/love_android_sdl2.ap_ b/android/tools/love-android-sdl2/bin/love_android_sdl2.ap_
index 939bab0..4bfe0fe 100644
Binary files a/android/tools/love-android-sdl2/bin/love_android_sdl2.ap_ and b/android/tools/love-android-sdl2/bin/love_android_sdl2.ap_ differ
diff --git a/android/tools/love-android-sdl2/bin/proguard.txt b/android/tools/love-android-sdl2/bin/proguard.txt
index 94008fb..4881f14 100644
--- a/android/tools/love-android-sdl2/bin/proguard.txt
+++ b/android/tools/love-android-sdl2/bin/proguard.txt
@@ -1,9 +1,9 @@
 # view AndroidManifest.xml #generated:45
--keep class love.to.android1112134304.DownloadActivity { <init>(...); }
+-keep class love.to.android1112203313.DownloadActivity { <init>(...); }
 
 # view AndroidManifest.xml #generated:17
--keep class love.to.android1112134304.DownloadService { <init>(...); }
+-keep class love.to.android1112203313.DownloadService { <init>(...); }
 
 # view AndroidManifest.xml #generated:18
--keep class love.to.android1112134304.LtaActivity { <init>(...); }
+-keep class love.to.android1112203313.LtaActivity { <init>(...); }
 
diff --git a/android/tools/love-android-sdl2/gen/R.java.d b/android/tools/love-android-sdl2/gen/R.java.d
index 12130ab..7faac3c 100644
--- a/android/tools/love-android-sdl2/gen/R.java.d
+++ b/android/tools/love-android-sdl2/gen/R.java.d
@@ -1,3 +1,3 @@
-/Users/androsfenollosa/www/alunizaje/android/tools/love-android-sdl2/gen/love/to/android1112134304/R.java \
+/Users/androsfenollosa/www/alunizaje/android/tools/love-android-sdl2/gen/love/to/android1112203313/R.java \
  : /Users/androsfenollosa/www/alunizaje/android/tools/love-android-sdl2/res/drawable-xxhdpi/ic_launcher.png \
 /Users/androsfenollosa/www/alunizaje/android/tools/love-android-sdl2/bin/AndroidManifest.xml \
diff --git a/android/tools/love-android-sdl2/gen/love/to/android1112134304/BuildConfig.java b/android/tools/love-android-sdl2/gen/love/to/android1112203313/BuildConfig.java
similarity index 79%
rename from android/tools/love-android-sdl2/gen/love/to/android1112134304/BuildConfig.java
rename to android/tools/love-android-sdl2/gen/love/to/android1112203313/BuildConfig.java
index c23cce2..5a6c677 100644
--- a/android/tools/love-android-sdl2/gen/love/to/android1112134304/BuildConfig.java
+++ b/android/tools/love-android-sdl2/gen/love/to/android1112203313/BuildConfig.java
@@ -1,5 +1,5 @@
 /** Automatically generated file. DO NOT MODIFY */
-package love.to.android1112134304;
+package love.to.android1112203313;
 
 public final class BuildConfig {
     public final static boolean DEBUG = true;
diff --git a/android/tools/love-android-sdl2/gen/love/to/android1112134304/R.java b/android/tools/love-android-sdl2/gen/love/to/android1112203313/R.java
similarity index 91%
rename from android/tools/love-android-sdl2/gen/love/to/android1112134304/R.java
rename to android/tools/love-android-sdl2/gen/love/to/android1112203313/R.java
index c88c802..03a2917 100644
--- a/android/tools/love-android-sdl2/gen/love/to/android1112134304/R.java
+++ b/android/tools/love-android-sdl2/gen/love/to/android1112203313/R.java
@@ -5,7 +5,7 @@
  * should not be modified by hand.
  */
 
-package love.to.android1112134304;
+package love.to.android1112203313;
 
 public final class R {
     public static final class attr {
diff --git a/android/tools/love-android-sdl2/src/love/to/android1112134304/LtaActivity.java b/android/tools/love-android-sdl2/src/love/to/android1112203313/LtaActivity.java
similarity index 69%
rename from android/tools/love-android-sdl2/src/love/to/android1112134304/LtaActivity.java
rename to android/tools/love-android-sdl2/src/love/to/android1112203313/LtaActivity.java
index 7ed0cf0..bb41fc8 100644
--- a/android/tools/love-android-sdl2/src/love/to/android1112134304/LtaActivity.java
+++ b/android/tools/love-android-sdl2/src/love/to/android1112203313/LtaActivity.java
@@ -1,4 +1,4 @@
-package love.to.android1112134304;
+package love.to.android1112203313;
 import org.love2d.android.GameActivity;
 
 public class LtaActivity extends GameActivity {}
diff --git a/assets/scripts/background.lua b/assets/scripts/background.lua
new file mode 100644
index 0000000..1ca7111
--- /dev/null
+++ b/assets/scripts/background.lua
@@ -0,0 +1,39 @@
+local anim8 = require 'assets/scripts/vendor/anim8'
+local tools = require 'assets/scripts/tools'
+
+local background = {}
+local stars = {}
+
+function background.load()
+	num_stars = 100
+	local star = {}
+	star.num_frames = 9
+	star.ani_speed = 1
+	star.width_frame = 16
+	star.height_frame = 16
+	star.img = love.graphics.newImage('assets/sprites/background/star.png')
+	local g = anim8.newGrid(star.width_frame, star.height_frame, star.img:getWidth(), star.img:getHeight())
+  	star.animation = anim8.newAnimation(g('1-' .. star.num_frames, 1), star.ani_speed)
+	for i = 1, num_stars do
+		local temp_star = tools.clone_table(star)
+  		temp_star.animation = anim8.newAnimation(g('1-' .. star.num_frames, 1), math.random(star.ani_speed, star.ani_speed * 2))
+		temp_star.animation:gotoFrame(math.random(1, star.num_frames))
+		temp_star.x = math.random(-star.width_frame , canvas.width)
+		temp_star.y = math.random(-star.height_frame, canvas.height)
+	  	stars[i] = temp_star
+	end
+end
+
+function background.update(dt)
+	for key, star in pairs(stars) do
+		star.animation:update(dt)
+	end
+end
+
+function background.draw()
+	for key, star in pairs(stars) do
+		star.animation:draw(star.img, star.x, star.y)
+	end
+end
+
+return background
\ No newline at end of file
diff --git a/assets/scripts/spaceship.lua b/assets/scripts/spaceship.lua
index 640de71..1f20dd2 100644
--- a/assets/scripts/spaceship.lua
+++ b/assets/scripts/spaceship.lua
@@ -12,7 +12,7 @@ function spaceship.load(world)
 	spaceship.shape = love.physics.newCircleShape(20) 
 	spaceship.fixture = love.physics.newFixture(spaceship.body, spaceship.shape, 1)
 	spaceship.fixture:setRestitution(0.9)
-	local g = anim8.newGrid(98, 93, spaceship.img:getWidth(), spaceship.img:getHeight())
+	local g = anim8.newGrid(110, 103, spaceship.img:getWidth(), spaceship.img:getHeight())
   	spaceship.animation = anim8.newAnimation(g('1-1', 1), 0.1)
 end
 
diff --git a/assets/scripts/tools.lua b/assets/scripts/tools.lua
new file mode 100644
index 0000000..7ced0c0
--- /dev/null
+++ b/assets/scripts/tools.lua
@@ -0,0 +1,39 @@
+local tools = {}
+
+-- Get Table length
+function tools.table_length(T)
+ 	local count = 0
+ 	for _ in pairs(T) do count = count + 1 end
+ 	return count
+end
+
+-- Pause system n seconds
+local clock = os.clock
+function tools.sleep(n)  -- seconds
+  local t0 = clock()
+  while clock() - t0 <= n do end
+end
+
+-- Collision detection function
+function tools.check_circle_collision(circle1, circle2)
+	local distance = math.sqrt((circle1.x - circle2.x) ^ 2 + (circle1.y - circle2.y) ^ 2)
+	return distance <= circle1.radius + circle2.radius
+end
+
+-- Deep copy table
+function tools.clone_table(orig)
+    local orig_type = type(orig)
+    local copy
+    if orig_type == 'table' then
+        copy = {}
+        for orig_key, orig_value in next, orig, nil do
+            copy[tools.clone_table(orig_key)] = tools.clone_table(orig_value)
+        end
+        setmetatable(copy, tools.clone_table(getmetatable(orig)))
+    else -- number, string, boolean, etc
+        copy = orig
+    end
+    return copy
+end
+
+return tools
\ No newline at end of file
diff --git a/assets/sprites/background/background.png b/assets/sprites/background/background.png
deleted file mode 100644
index 53e6cec..0000000
Binary files a/assets/sprites/background/background.png and /dev/null differ
diff --git a/assets/sprites/background/star.png b/assets/sprites/background/star.png
new file mode 100644
index 0000000..2226b5e
Binary files /dev/null and b/assets/sprites/background/star.png differ
diff --git a/assets/sprites/spaceship/body.png b/assets/sprites/spaceship/body.png
index ce7a230..551635f 100644
Binary files a/assets/sprites/spaceship/body.png and b/assets/sprites/spaceship/body.png differ
diff --git a/main.lua b/main.lua
index 2782575..204e402 100644
--- a/main.lua
+++ b/main.lua
@@ -1,3 +1,4 @@
+local background = require 'assets/scripts/background'
 local spaceship = require 'assets/scripts/spaceship'
 local controls = require 'assets/scripts/controls'
 
@@ -7,12 +8,15 @@ function love.load()
 	math.randomseed(os.time())
 	local width, height = love.window.getDesktopDimensions( display )
 	window = { width = width , height = height }
+	canvas = { width = width, height = 2880 }
 	love.window.setMode(window.width, window.height)
 	-- Physics
 	world_meter = 64
 	gravity = 2
 	love.physics.setMeter(world_meter) -- Height earth in meters
   	world = love.physics.newWorld(0, gravity * world_meter, true) -- Make earth
+	-- Background
+	background.load()
 	-- Spaceship
 	spaceship.load(world)
 end
@@ -20,12 +24,14 @@ end
 -- UPDATE
 function love.update(dt)
 	world:update(dt)
+	background.update(dt)
 	controls.update(dt)
 	spaceship.update(dt)
 end
 
 -- DRAW
 function love.draw()
+	background.draw()
 	spaceship.draw()
 end