Guandan 掼蛋

* The store description now states that the interface is Chinese only * The host runs a foreground service, so the table survives switching apps or an aggressive battery saver * "Resume last game" on the main menu when the system killed the host mid-match * Clients reconnect on their own after a drop and reclaim their seat via a persistent local id * Fixed: some illegal card combinations could be played * Fixed: a following card was scored with an undervalued primary rank