Great game but... – Subway Simulator 3D - Driving Review

It's a great game, but there's one bug: horn sound is so quiet, that you can't even hear it. Please, fix it!! And one more bug: on my iPad Mini 1 game sometimes turns off when I finish the task (to get 15 passengers). Please, fix it too!!!!
Review by Sofia20032307 on Subway Simulator 3D - Driving.