Yono Rummy is widely accessible to a diverse user base due to its compatibility with a range of devices, including smartphones, tablets, and personal computers. Yono Rummy is a420 patti game where skill, not luck, is extremely important. In order to strategically choose which cards to keep or discard, players must pay close attention to the card choices and discards made by their rivals. Because players must maintain track of which cards are in play and which have been discarded, the game also challenges players' memory and focus.