Lg V30-Androis os 8.1
The app is pretty much cool and the navigation is also quick and easy with out facing any difficulty or issues. Quizes are also very interesting and meaningful and also it is very easy to understand even for new users.
Thanks for your comments - glad to hear you like the app so far. If you have any suggestions for improvements, bugs to report, or specific parts of the app where you experienced problems, please let us know too.