According to the antivirus report, the app doesn't contain viruses or any kind of malware. Tier Quiz has been originally designed by Next Web Generation and it refers to the Trivia Games category. The game has the average rating 4.2 on Google Play.
This application has been downloaded and installed by over 50K users and the latest update was released on Dec 31, 2016. Pay attention to its terms of use because there are in-app purchases and ads. You are able to get the .apk installer of Tier Quiz 5.1.0 for free and read users' reviews on Droid Informer. The file size doesn't exceed 17 MB and the app runs flawlessly on Android 4.0 and above.