You don't need to worry while firing, No one gonna die. If you want to see this game in action, check the following video.
Though ShotGun V0.7 game is developed for Symbian S60 5th edition based mobiles. Some N97 owners have reported problems installing this application
on their mobiles. On 5800 XM, it works just fine. The game is developed by Klonom. Download and try this small 96 KB game on your mobile.