Contacting Rummy happens while in the uncommon circumstance where the player completes an entire hand consisting of only melds. This could only be done having a hand consisting of only melds. Rummy scoring is based on the values of unmatched cards. Generally, this relies on the difference in price. https://rummy-app98764.canariblogs.com/what-does-all-rummy-new-apps-mean-44780601