You earn crystals as you complete lessons. You can buy more from the Shop tab

Bottom sheet for wrong answer

The splash screen is the logo on a green background

You can tap the country flag on top to add more languages and switch between them

Achievement leveled up modal

You can join language clubs to practice with other learners

You have 5 lives. When you run out you can wait, practice, or refill by spending crystals

During login, it asks for your age, name, email and password

It quizzes you with audio and visual questions to make you understand and to increase recall

In app purchase of Pacemaker Plus

In app purchase

Gamification: Places visited

In app purchase