Lose the Cops [Escape from The City]

Hi there,
We are making a game, specially for mobile platform. This is our first game and we need your opinion and suggestion eagerly. Please view our thread and give us your valuable thoughts. We are sharing our game concept with you today. Please let us know, how you feel.

Game Concept/ Story
A mega city in modern time. Busy always. A thief decided to rob a bank. As he thought, he just did it.
Unfortunately, the city security was very good and tight at their work. In a very short time, the thief got surrounded by the police.
The road was four sided open. The police forces attacking towards the thief. Thief has to avoid the collision with the police car.

Game Overview
Genre: Casual

Age Group: 6+

Game Currency: Real Money (IAP)
Key Feature: Multiplayer
Target Platforms: iOS, Android, Windows Store and Mac Store

Please give us reply. We are waiting to hear from you.