They are tossing out The Treasures of Montezuma 2 which is a match three style game based on the ancient Aztex secrets and riddles. Majesty: The Fantasy Kingdom Sim which is a game where you are the head of your country and have to fight off enemies and build it up. Farm Frenzy, which is a farming sim of sorts where you complete objectives and build up a farm. You have animals, eggs, factories and you build money buy selling it to the city folks. Finally, you have Romance of Rome. This is a hidden objects game where you find objects in larger pictures solve quests and seek out imperial relics.
All four games are great to have at your disposal for those moments when you want to just sit down and play for a bit and be able to walk away. Follow any of the links above to head to the Play Store to pick them up while they are on sale. The sale officially starts tomorrow, July 4th, and lasts through the 6th and each of the four games will only set you back a buck. So for four bucks you will easily have enough entertainment to keep you busy for months.