Create a game on android (Design and Programming)

Hi! My name is Jesus and work for Montana Studio. I need make a Game Project on Android, you can use Unity, Cocos2d, ... for example for the creation the game. The game it’s simple for the gamer, launch a monkey into space, the objective is the monkey does not fall down. Added some samples to see the pixel design Your work will be: Design the icon app. Design the logo app. Design the monkey and others character. Design the Menu (All buttons, boxes etc…). Design the wallpaper of level. Game Program Login on Facebook or Google +. Game Program Leaderboard using Google Play. Game Program Achievements system. Game Program Monetize the game (Banner and Interstitial ads using Google Admob). You have to commit to deliver the work within the time set. The design of the game is very simple, all the game is in "Pixel" I would like the opportunity to have a Spanish language that work for me. Attention!: You can see my history of pays, i'm a person 100% serious and professional, only accept proposals and freelancer serious.