From living rooms to commuter trains, a new crop of mobile games is reshaping how people play for pride, prizes, and, sometimes, peril. Okrummy, a flashy platform centered on rummy variants, sits alongside the evergreen card classic itself and Aviator, the social “crash” title whose rising line can evaporate in a blink. Together they illustrate the promise and pitfalls of a booming digital pastime that is testing cultural norms, payment rails, and public policy across markets. Rummy’s appeal is straightforward: it is easy to learn, surprisingly deep, and inherently social. Families play at holiday tables