Developed a clone of the UI/UX of the Facebook chat heads on Android as part of the interview process at InMobi. The app basically shows a chat head which can be moved around and closed in a fashion similar to that of the Facebook Messenger App. In addition, the chat head is also visible on top of the lock screen.
Bonus: The chat head displays popular Instagram photos based on the location of the device.
PS: I cleared the interview round.