It appears that Alto's Adventure is one of the top games played on Android devices. It isn't hard to find rating of games apps and how many people have downloaded them and installed them on their mobile device. When searching in the Google Play Store, each app will indicate how many times it has been downloaded. You can also narrow down your search using the Google Store search function to find the most popular games and how many times they've been downloaded. To list all the games on this answer would take forever and it is best if you do a quick search on the Google Play Store. This way you can find the top games that would interest you to download and play on your Android device.