If you get a "Infinite Flight has stopped responding" error, black screen at start up or similar, please read on and check carefully.
Check device settings > Language & input > Text to speech output and make sure Google Text To Speech is enabled as the preferred engine. If it is missing entirely, you will need to reinstall from your PlayStore.
If after attempting all basic troubleshooting such as restarting device, reinstalling etc read below.
When a crash keeps occurring despite power restarts or reinstallation's, there may be something else going on. There is a way you can help us, help you by sending us the crash log. Some errors may have a "report" option, which can also be used.
To locate a crash log for an Android device you can install LogCat for free.
To locate crash logs for an Apple device click HERE