We are sorry you're having problems with Motorsport Manager.
If you are suffering from crashes or the game failing to run please try fully restarting the device as a first step.
If you're having trouble getting the app to start to try re-installing the device, making sure you have at least 320Mb free on your device and to enable Storage permissions if possible in: Settings>Apps>MM Mobile 2>Permissions
If this isn't successful then you can try to clear the App's cache in Settings > Application Manager > MM Mobile 2 > Storage > Clear Cache.
If you are continuing to have problems please do get in touch via email at firstname.lastname@example.org and we will investigate the issue for you. It would be helpful for us if you attach your save file;