What you need to know about CSA Czech Airlines mobile apps
CSA Czech Airlines provides an iOS app that is compatible with iPhone, iPod, and iPad.
For CSA Czech Airlines OK Plus members, you'll be able to manage your account from the app, though using their website will no doubt provide more functionality
CSA Czech Airlines has an Android app that works with most Android tablets, phones, and some Android Wear devices. Perhaps standard practice these days, the Android app offers the same functionality as the iOS app from ArrayArray.
Also take a look at CSA Czech Airlines's website by clicking here — you should be able to do what you need there.