Develop a simple casual/clicker android game

Developing an android games similar to this : [login to view URL] Basic description of the game : - Selling food in a food truck - Initially player can tap on the megaphone/anywhere to get bot customer coming, to buy the food - Bot customer can buy certain food from truck automatically and player gets gold from each transaction - Players can upgrade their truck to increase the rate of people coming and also upgrade recipe to increase gold received per customer coming to the truck - Players can buy certain item to increase gold received per day - There is a rate per second how many customer comes, the better the features of the truck and food the more customer comes - upgrading truck, ingredients and recipes will use google play and also from gold received. Those players who want to get faster gold will pay through google play. - integrated with google play games (less important) - leaderboard who has the most transaction per minute, who has the most gold etc - achievement board to give badges. detailed feature can be seen in the game. The game has to be able to buy coins through google play. The asset has to be easily changed since we are also preparing the assets. During development, use dummy assets. Doing this game well will result in future hiring with much higher pay for games and apps.