> Mobile games are filled with ads and in-app purchases and I never found a simple game I could play and enjoy while waiting for public transport. I bought Thr

> Mobile games are filled with ads and in-app purchases and I never found a simple game I could play and enjoy while waiting for public transport. I bought Threes for $3 in 2014, and I still play it for hours each day -- on the subway, while waiting at restaurants, while watching TV, wherever. A lot of people play 2048 because it's free, but it's not nearly as polished.