Create an Android Game in Unity

IMPORTANT: PLEASE READ ENTIRE PROJECT DESCRIPTION/REQUIREMENT BELOW BEFORE YOU BID. I need a Hill Climb Racing Android App game created similar to the game below: [login to view URL] 1) Vehicles => 6 Types of vehicles that need to be integrated: Car, SUV, Truck, Pick-up truck, School bus and Tank. The player can use the car and to unlock the other vehicles they need to collect coins or they can buy a coin pack using IAP. 2) Game Levels => 6 Levels of game play: Level 1 = Mountain scenario, Level 2 = Snow, Level 3 = Park, Level 4 = City, Level 5 = Moon and Level 6 = Mars (Yes, the planet). Each level is infinite. The player plays until they lose. If a player wants to play another level, the have to collect coins OR they can buy a coin pack using IAP. 3) Vehicle Upgrades => 4 types of vehicle upgrades. ENGINE - > 10 levels of engine upgrade. Vehicle goes faster when the engine is upgraded. SUSPENSION - > 10 levels of suspension. Vehicle bounces less when the suspension is upgraded. TIRES - > 10 levels of tires. Vehicle has more traction when the tires are upgraded. 4WD - > 10 levels of 4WD. Vehicle has better handling when the 4WD is upgraded. 4) Game characters => The game will have 2 characters that will drive the car. The player can choose which character to play with. 5) Coin Packs => User will be given the opportunity to purchase coin packs using IAP which they can spend on new vehicles or vehicle upgrades. Users can also win coins if they watch an advertisement video. *Must perform exactly like the original in-terms of the physics of the game. *Coder must develop all graphics and sounds. Sounds will be played similar but not exact of the app. This includes creating icon of app that will be shown on the Google Play Store. *Code must be developed to be easy to follow. *Must have Rate Button. *Must have share on Facebook button. *Must have ability for user to turn off sound effects or background music. *Coder will deliver source code when project is completed. *Coder must offer 1 month service in case of bug fixes. *Coder must integrate Admob interstellar ads, and Admob banner ad. *Coder must integrate Google Chartboard *Coder should integrate the ability to share score with friends via Facebook, Twitter or Google Plus. NOTICE: INTERESTED CODERS CAN MAKE SUGGESTION ABOUT CHANGES THAT CAN BE MADE TO PROJECT TO FIT BUDGET.