Two of the best-received mobile games are now free to download and play on your Android device - Monument Valley 2 and Lara Croft GO. Both have won "Best Mobile Game" at The Game Awards (in 2017 and 2015, respectively) and have received raving reviews from publications and players alike.
The downloads should remain free for the next 7 days, but there's no point in waiting - the weekend is upon us and you will probably be spending it at home. You might as well see what all the fuss is about if you haven't played the games already.
Here are the links: