Česká Výslovnost

You can practise your listening, pronunciation and vocabulary. It's a great app for improving your skills when you have a spare minute. It is very simple and intuitive to use. Click the language button to speak and the mic button to check your pronunciation. Easy! Best of all, this app is free!

To Install Speak Button - Text To Speech
On your device --
Settings --> Language & Input --> Text-To-Speech output --> Google Text-To-Speech Engine --> Install Voice Data