Need an experienced advice for new motorbike racing game

We have just published new motorcycle racing game Traffic Rider: Highway Race into Google Play. We think that game came out enough interesting and addictive for us. But we want to make the game that will be interesting for everyone real racers so we very need for your feedback and advices as experienced riders.
We will be very grateful for all your hints that can make our game better and friendlier for the android community.
Google Play game link: play.google.com/store/apps/details?id=com.LemonFreshStudio.highwaytrafficrider&hl=en

Promo video added to the game's market page. What you think about it?
https://youtu.be/mmmhXvVqcx0