The curriculum is arranged linearly as a timeline with tests interspersed in between

There are posts by other learners and mini "games" that help you test your skills

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

Add friends to compete with. You can search by name or find them from facebook

Profile and settings

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

Duolingo Plus lets you download lessons offline and removes ad. You can start with a 7 day trial

First lesson complete. It shows your learning minutes and asks you to create a profile

The splash screen is the logo on a green background

Restaurant detail page

Search for people, actor detail page

WIP circles on top. Stories format, with swipe to go between stories

About page. Photos of their team, treat the team to a meal via in app purchase