Speaking Trainer Ultimate ( STU )- Are you dreaming of being a flight attendant?- You can do it together with STU!Practical English for Flight Attendants and Wannabes- 150 Job Interviews for Flight Attendants- 48 In-flight Announcements- 38 Aviation ConversationsDiagnosis and Feedback System for Fluent Speaking - Speaking Training Project based on Voice Chunks.- Pronounce as it sounds and test your speaking fluency!- STU will diagnose your pronunciation focusing on the pause between words and the prominence of the word in a utterance and feedback to you for better pronunciation.