Compare Car Fuel Consumption

I will add every week new new car maker list of cars to database. I'd like to find donors for Compare Car Fuel Consumption android application.App calculate total cost of fuel consumption for car per year. Time scale is for driving distance. If you choose week, distance will be multiple x 52. How to use Car Compare:1. Click settings button2. Set price for fuel(petrol and diesel)3. Click button(liters/100km) if you want change measure for fuel consumption4. Enter travel distance on main page for chosen time scale(Year, month, week). If you choose week program will multiple travel distance with 52.5. Click on select brand(left and right button)6. Click on select model(left and right button)Example: Fuel cost petrol is 1.4. Fuel cost diesel is 1.6. We use measure liters/100km. Time scale is week. Travel distance urban is 35 km(per week). Travel distance non-urban is 50 km(week). Total fuel cost for BENTLEY GT per year is 868.4. Total fuel cost for BMW 114d per year is 260.